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Head-to-head · Online Dictionaries

Merriam-Webster Dictionary vs Dictionary.com

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Merriam-Webster Dictionary #5 in Online Dictionaries 9.0/10 Free plan Free plan✓ 4 of 4 features Visit Dictionary
Dictionary.com #6 in Online Dictionaries 8.9/10 Free plan Free plan✓ 2 of 4 features Visit Dictionary.com

Merriam-Webster Dictionary leads on 0 checks, Dictionary.com on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMerriam-Webster Dictionary · 9.0/10
  • Free planboth
  • Most featuresMerriam-Webster Dictionary · 4 of 4

Merriam-Webster Dictionary scores higher on our rubric for online dictionaries: 9.0 against 8.9 out of 10; our editors rank them #5 and #6.

Merriam-Webster Dictionary is the better fit for english definition and thesaurus users. Dictionary.com is the better fit for general English lookup and word games.

  • Merriam-Webster Dictionary fits best

    English definition and thesaurus users

  • Dictionary.com fits best

    General English lookup and word games

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Side by side

Feature Merriam-Webster Dictionary 9.0/10 Visit ↗ Dictionary.com 8.9/10 Visit ↗
At a glance
Editor score 9.0 8.9
Ranking #5 in Online Dictionaries #6 in Online Dictionaries
Best for English definition and thesaurus users General English lookup and word games
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Mobile Cloud, Mobile
Platforms Web, iOS, Android Web, iOS, Android
Features Merriam-Webster Dictionary 4/4 · Dictionary.com 2/4
Audio pronunciation ✓ ✓
Usage examples ✓ ✓
Translation lookup ✓ (best) Not checked yet
Offline access ✓ (best) Not checked yet
Specs
Mobile apps Ios_android Ios_android
Languages covered 1 Not checked yet
Our review
Pros
  • Free definitions, audio pronunciations, examples, and thesaurus content
  • Offline definitions and synonyms are available in the mobile apps
  • Voice search, quizzes, games, favorites, and search history support learning
  • Free access across web, iOS, and Android
  • Audio pronunciation, examples, senses, and word forms
  • Adds thesaurus links, etymology, quizzes, and games
Cons
  • The primary dictionary experience is focused on English
  • Premium access is required for an ad-free experience
  • Medical, legal, and kids dictionaries require additional purchases
  • Focused on English rather than broader translation workflows
  • Related synonym and antonym searches use Thesaurus.com
  • Editorial extras may exceed the needs of quick lookups
Our verdict

Merriam-Webster Dictionary is an online English-language reference service for definitions, pronunciations, synonyms, usage examples, word histories, and related language information. It suits students, writers, learners, and anyone who…

Read the review →

Dictionary.com is a free online English dictionary for learners, writers, students, teachers, and anyone exploring language. Its searchable entries cover definitions, multiple word senses, audio pronunciation, usage examples, synonyms,…

Read the review →
  1. Merriam-Webster DictionaryOnline Dictionaries 9.0Free plan
  2. Dictionary.comOnline Dictionaries 8.9Free plan

Strengths and trade-offs

  • Merriam-Webster Dictionary — where it wins

    • Free definitions, audio pronunciations, examples, and thesaurus content
    • Offline definitions and synonyms are available in the mobile apps
    • Voice search, quizzes, games, favorites, and search history support learning

    Where it doesn't

    • The primary dictionary experience is focused on English
    • Premium access is required for an ad-free experience
    • Medical, legal, and kids dictionaries require additional purchases
  • Dictionary.com — where it wins

    • Free access across web, iOS, and Android
    • Audio pronunciation, examples, senses, and word forms
    • Adds thesaurus links, etymology, quizzes, and games

    Where it doesn't

    • Focused on English rather than broader translation workflows
    • Related synonym and antonym searches use Thesaurus.com
    • Editorial extras may exceed the needs of quick lookups

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update