If you’ve ever paused mid-sentence wondering whether to write “similar to” or “similarly to,” you’re not alone. These two phrases look almost identical, sound almost identical, and yet they play very different grammatical roles. Mixing them up is one of the most common English usage mistakes — even among confident writers.
This guide breaks down the difference in plain language, backed by clear examples, comparison tables, and practical memory tricks. By the end, you’ll never second-guess yourself again.
Similar To vs Similarly To – Quick Answer
Here’s the short version before we dive deep:
- “Similar to” is correct when comparing two nouns (people, things, ideas). Similar is an adjective, so it describes a noun.
- “Similarly” is correct when describing an action or connecting two sentences. It’s an adverb, so it modifies a verb or a whole clause.
- “Similarly to” is grammatically possible but rare, often awkward, and usually replaceable with a cleaner phrase like “similar to” or “in a similar way to.”
In most everyday and professional writing, “similar to” is the safer, more natural choice when comparing two things directly.
What Does “Similar To” Mean?
“Similar to” means that two things share common features but are not identical. It signals resemblance, not sameness.
- Her handwriting is similar to her mother’s.
- This laptop is similar to the previous model, but faster.
The phrase always connects two nouns (or noun phrases) and highlights a comparison between them. It’s one of the most frequently used comparison structures in English, appearing constantly in academic writing, business reports, and casual conversation.
How to Use “Similar To” Correctly
“Similar” is an adjective, and adjectives describe nouns. That’s the golden rule behind every correct use of “similar to.”
Similar To With Nouns
When comparing two nouns, “similar to” fits naturally:
- This restaurant’s menu is similar to the one downtown.
- The new policy is similar to last year’s guidelines.
Similar To With Pronouns
“Similar to” also works smoothly with pronouns:
- Your approach is similar to mine.
- His results were similar to hers.
Similar To in Comparisons
Use “similar to” whenever you’re directly comparing two subjects:
- The company’s growth strategy is similar to its main competitor’s.
- This painting style is similar to Impressionism.
Quick tip: If you can replace the phrase with “like,” “similar to” is almost always the correct structure.
What Does “Similarly” Mean?
“Similarly” is the adverb form of “similar.” It means “in a similar way” and is used to describe how an action happens or to connect two related ideas across sentences.
Definition of Similarly
At its core, “similarly” links two actions, processes, or statements that follow a comparable pattern.
- The team trained hard. Similarly, the coaches prepared new strategies.
Similarly as an Adverb
As an adverb, “similarly” modifies verbs or entire clauses — never nouns directly.
- She solved the problem similarly to her colleague. (modifying the verb “solved”)
- Both machines operate similarly.
Similarly in Comparisons
“Similarly” often opens a sentence to show a parallel idea:
- Sales dropped in Q1. Similarly, customer engagement declined.
- The first experiment failed. Similarly, the second one produced no results.
Is “Similarly To” Grammatically Correct?
This is where most confusion happens. Technically, “similarly to” is grammatically valid — but it’s far less common and often sounds clunky compared to alternatives.
When “Similarly To” Can Be Used
“Similarly to” can work when you’re comparing how an action is performed, not comparing two nouns directly:
- He performed similarly to his teammate during the match.
- The device functions similarly to a smartphone.
Here, “similarly” modifies the verb (“performed,” “functions”), and “to” introduces the comparison target.
When “Similarly” Should Be Used Alone
If there’s no direct comparison target immediately following, drop the “to”:
- The results were similarly disappointing. (not “similarly to disappointing”)
- Both teams played similarly.
Why “Similarly To” Is Often Misused
Writers often use “similarly to” when “similar to” would be simpler and clearer. Compare:
- ❌ This app works similarly to that app. (acceptable but wordy)
- ✅ This app is similar to that app. (cleaner, more natural)
Both are technically correct, but native speakers and style guides tend to favor the more direct version whenever possible.
Similar To vs Similarly To: Main Differences
Adjective vs Adverb
“Similar” is an adjective describing nouns. “Similarly” is an adverb describing verbs, adjectives, or entire clauses.
Describing a Noun vs Describing an Action
- Similar to → connects two nouns.
- Similarly (to) → connects two actions or processes.
Sentence Structure
“Similar to” typically sits between two nouns:
Noun + is/are + similar to + Noun
“Similarly” typically opens a sentence or follows a verb:
Verb + similarly (+ to + Noun)
Meaning and Usage
Both phrases express resemblance, but their grammatical function determines which one fits a sentence correctly.
Similar vs Similarly: Understanding the Grammar Rule
How “Similar” Works as an Adjective
Adjectives modify nouns and pronouns. “Similar” always needs a noun nearby to describe.
- A similar issue occurred last week.
How “Similarly” Works as an Adverb
Adverbs modify verbs, adjectives, or clauses. “Similarly” describes how something happens.
- The results turned out similarly.
Why They Are Not Interchangeable
Swapping them creates grammatical errors:
- ❌ He behaved similar to his father.
- ✅ He behaved similarly to his father.
- ❌ This model is similarly to the older one.
- ✅ This model is similar to the older one.
Examples of “Similar To” in Sentences
Everyday Examples
- This coffee tastes similar to the one from the café downtown.
- Your jacket looks similar to mine.
Academic Examples
- The findings are similar to those reported in earlier studies.
- This theory is similar to Darwin’s original framework.
Workplace Examples
- Our onboarding process is similar to the one used by our competitors.
- This quarter’s revenue is similar to last quarter’s figures.
Formal Writing Examples
- The proposed legislation is similar to a bill introduced last year.
- The methodology used is similar to standard industry practices.
Examples of “Similarly” in Sentences
Everyday Examples
- I like hiking. Similarly, my sister enjoys outdoor activities.
- Both kids behaved similarly at the party.
Academic Examples
- The control group responded similarly across all trials.
- Similarly, researchers found no significant variation in the data.
Workplace Examples
- The marketing team adjusted its strategy. Similarly, sales adapted their pitch.
- Both departments were affected similarly by the budget cuts.
Formal Writing Examples
- Similarly, the committee recommended further review.
- The report concludes similarly to previous audits.
Examples of “Similarly To” in Sentences
Correct Contexts
- She reacted similarly to how she did last time.
- The engine performs similarly to a diesel motor.
Awkward or Incorrect Usage
- ❌ This car is similarly to that one. (should be “similar to”)
- ❌ The design looks similarly to modern architecture. (should be “similar to”)
Better Alternatives
Instead of forcing “similarly to,” consider:
- in a similar way to
- comparable to
- similar to
These alternatives often read more naturally and reduce grammatical risk.
Common Mistakes With Similar and Similarly
Mistake 1: Using “Similar” as an Adverb
❌ They acted similar. ✅ They acted similarly.
Mistake 2: Using “Similarly” to Describe Nouns
❌ A similarly product was launched. ✅ A similar product was launched.
Mistake 3: Assuming Both Phrases Are Interchangeable
They serve different grammatical functions and cannot always replace each other.
Mistake 4: Forgetting “To” After Similar
❌ This is similar the last version. ✅ This is similar to the last version.
Mistake 5: Confusing “Similarly” With “Likewise”
While related, “likewise” often implies agreement or repetition of an action, while “similarly” simply shows resemblance.
Similar To vs Similarly: Side-by-Side Comparison Table
| Feature | Similar To | Similarly |
|---|---|---|
| Part of speech | Adjective phrase | Adverb |
| Modifies | Nouns/pronouns | Verbs, clauses |
| Typical position | Between two nouns | Start of sentence or after verb |
| Example | This is similar to that. | They responded similarly. |
| Common use | Direct comparisons | Linking actions/ideas |
Similar To vs Same As: What’s the Difference?
“Similar to” indicates resemblance, not identical equality. “Same as” indicates exact equality.
- Her opinion is similar to mine. (comparable, not identical)
- Her opinion is the same as mine. (identical)
Similarly vs Likewise: What’s the Difference?
“Likewise” often means “in the same manner” or is used to express agreement, while “similarly” strictly signals resemblance between two situations.
- He apologized. Likewise, she apologized. (mirrored action)
- Similarly, both reports highlighted the same issue. (parallel observation)
Similar To vs Comparable To: Which Is Better?
“Comparable to” often sounds more formal and is common in academic or analytical writing, while “similar to” is more versatile and widely used in everyday English.
- This product is comparable to premium brands in quality.
- This product is similar to premium brands in quality.
Both are correct; choose based on tone and formality.
How Native English Speakers Use “Similar To”
Casual Conversations
Native speakers use “similar to” naturally in daily speech to compare experiences, objects, or opinions without overthinking grammar.
Professional Communication
In emails, reports, and presentations, “similar to” is preferred for its clarity and directness.
Academic Writing
Academic papers frequently use “similar to” when comparing data, theories, or findings, since precision matters most in scholarly contexts.
How to Remember When to Use Similar or Similarly
The Noun Test
Ask: “Am I comparing two nouns?” If yes, use similar to.
The Action Test
Ask: “Am I describing how something happens?” If yes, use similarly.
Simple Memory Trick
Adjectives (similar) describe things. Adverbs (similarly) describe actions.
If you’re comparing objects, people, or ideas → similar to. If you’re comparing behavior or outcomes → similarly.
Similar To in Modern English Writing
“Similar to” remains one of the most commonly used comparison phrases in modern English, especially in digital content, marketing copy, and academic research, because it’s clear, direct, and easy to understand for global audiences.
Similarly in Academic and Professional Writing
“Similarly” is a favored transition word in academic and professional writing because it smoothly connects related ideas across sentences, improving flow and logical structure without redundancy.
Quick Grammar Recap: Similar To vs Similarly To
- Use “similar to” when comparing two nouns.
- Use “similarly” when describing an action or connecting ideas.
- Use “similarly to” only when comparing how an action happens, and even then, simpler alternatives often read better.
Frequently Asked Questions About Similar To and Similarly To
Is it correct to say “similarly to”?
Yes, it’s grammatically correct in certain contexts, but it’s often less natural than simply using “similar to.”
Should I say “similar to” or “similarly to”?
Use “similar to” when comparing nouns. Use “similarly to” only when describing how an action was performed.
What is the difference between similar and similarly?
“Similar” is an adjective that describes nouns, while “similarly” is an adverb that describes actions or connects ideas.
Is “similar to” grammatically correct?
Yes, “similar to” is fully correct and is the standard phrase used for comparing two nouns or pronouns.
Can “similarly” be followed by “to”?
Yes, but only when it modifies a verb and introduces a direct comparison, such as “She performed similarly to her rival.”
Conclusion
Choosing between “similar to” and “similarly to” comes down to one simple question: are you comparing things, or are you comparing actions? Once you internalize that distinction, the confusion disappears.
- Reach for “similar to” when placing two nouns side by side.
- Reach for “similarly” when connecting actions, outcomes, or ideas across sentences.
- Use “similarly to” sparingly, and only when it genuinely fits.
Mastering this small grammar rule instantly makes your writing sound more polished, professional, and confident — whether you’re drafting an email, an essay, or your next big report.
