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Best alternatives to Synonyms.com (2026)

10 Chrome extensions that do a similar job to Synonyms.com, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.

Synonyms.com today

≈2K users3.7★ from 6 ratingsUpdated 23 months ago4 permissions

Synonyms.com alternatives, compared

  1. 1

    Synonyms Deluxe

    Find synonyms for English words. Improve your writing with this handy and quick tool.

    ≈4K users5.0★ from 147 ratingsUpdated 23 months ago1 permissions
    • About 2.0× more users than Synonyms.com
    • Asks for fewer permissions (1 vs 4)
    • Listed under Communication
  2. 2

    Definitions.net

    Get instant dictionary definitions for any word or term that hits you anywhere on the web!

    ≈3K users4.9★ from 10 ratingsUpdated 23 months ago4 permissions
    • About 1.5× more users than Synonyms.com
    • Listed under Tools
  3. 3

    Etymologist – Word Meanings, Origins, and Synonyms

    Double-click any word to instantly discover its meaning, etymology, and synonyms.

    434 users4.8★ from 6 ratingsUpdated 11 months ago2 permissions
    • About 4.6× fewer users than Synonyms.com
    • Updated more recently
    • Asks for fewer permissions (2 vs 4)
    • Listed under Education
  4. 4

    TheFreeDictionary.com Extension

    Select a word on any website and instantly get its definition at TheFreeDictionary, the world's most comprehensive dictionary!

    ≈1K users4.4★ from 7 ratings1 permissions
    • About 2.0× fewer users than Synonyms.com
    • Asks for fewer permissions (1 vs 4)
    • Listed under Tools
  5. 5

    Instant Dictionary by GoodWordGuide.com

    Dictionary Bubble (Instant Dictionary): quickly lookup word definitions with audio pronunciation as you browse the web.

    ≈80K users4.0★ from 460 ratingsUpdated 21 months ago5 permissions
    • About 40× more users than Synonyms.com
    • Updated more recently
    • Asks for more permissions (5 vs 4)
    • Listed under Tools
  6. 6

    Power Thesaurus

    Use the power of synonyms by button in toolbar, right-click or by word selection on any page.

    ≈100K users4.4★ from 493 ratingsUpdated 4 weeks ago7 permissions
    • About 50× more users than Synonyms.com
    • Updated more recently
    • Asks for more permissions (7 vs 4)
    • Listed under Tools
  7. 7

    Climb

    Look up the definition for any word on the page. Save it to your library to memorize it later.

    303 users4.4★ from 11 ratingsNot updated for 2+ years8 permissions
    • About 6.6× fewer users than Synonyms.com
    • Updated less recently
    • Asks for more permissions (8 vs 4)
    • Listed under Education
  8. 8

    Rovo: Search, Chat, and more

    Take Rovo anywhere you work. Easily access Search, Chat, and Agents, and look up definitions outside your Atlassian products.

    ≈100K users4.3★ from 93 ratingsUpdated 5 days ago15 permissions
    • About 50× more users than Synonyms.com
    • Updated more recently
    • Asks for more permissions (15 vs 4)
    • Listed under Tools
  9. 9

    Māori Dictionary Search

    Allows you to search for words in the Māori dictionary.

    ≈3K users5.0★ from 6 ratingsNot updated for 3+ years2 permissions
    • About 1.5× more users than Synonyms.com
    • Updated less recently
    • Asks for fewer permissions (2 vs 4)
    • Listed under Tools
  10. 10

    Thesaurus online

    Looking for another word for? Find synonyms effortlessly with an online thesaurus. Expand your vocabulary with word synonym finder

    ≈7K users5.0★ from 9 ratingsUpdated 23 months ago3 permissions
    • About 3.5× more users than Synonyms.com
    • Asks for fewer permissions (3 vs 4)
    • Listed under Communication

Synonyms.com alternatives: questions

What is the best alternative to Synonyms.com?

By users, the most popular alternative is Power Thesaurus with ≈100K users and a 4.4-star rating. The closest match by what it does is Synonyms Deluxe.

Which Synonyms.com alternative has the best rating?

Synonyms Deluxe has the highest rating of these alternatives with 50+ ratings: 5.0 out of 5 from 147 ratings.

Is there a Synonyms.com alternative that asks for fewer permissions?

Synonyms Deluxe asks for 1 permissions, against 4 for Synonyms.com.

How many alternatives to Synonyms.com are there?

We list 10 close alternatives to Synonyms.com on the Chrome Web Store, picked by what they do and ranked by how close they are.

Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.