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Merriam-Webster Dictionary
What Merriam-Webster Dictionary is
Merriam-Webster Dictionary is an online reference with regularly updated entries and revised definitions, available through its website, mobile apps, and API. The app combines dictionary and thesaurus lookup with offline access to definitions and synonyms. Voice search helps users look up a word without spelling it; vocabulary tools include quizzes, favorite words, and search history. The website also offers Word of the Day, grammar and usage guidance, wordplay, games, quizzes, and thesaurus content. Medical, Legal, and Kids dictionaries can be unlocked through an in-app purchase. For app integrations, the Dictionary API provides definitions, etymologies, audio pronunciations, synonyms, antonyms, and specialized vocabulary. Non-commercial API use is free up to 1,000 queries per day per key and limited to two reference APIs; commercial terms are arranged case by case. The app is free with ads. Listed iOS purchases include Premium Monthly for $1.79 a month, Remove Ads for $2.99, paid once, All References + Remove Ads for $5.99, paid once, and Premium Annual for $9.99 a year.
Who it suits
It suits visitors and English-language learners looking for dictionary, thesaurus, and vocabulary-building tools. Developers can use its API for reference and specialized vocabulary integrations, subject to the listed query and use limits.
What it does well
- Offline dictionary definitions and synonyms.
- Voice search and vocabulary quizzes.
- Website includes grammar guidance, games, and wordplay.
- Free non-commercial API use up to 1,000 queries daily.
What to know first
- Free app version includes ads.
- Medical, Legal, and Kids dictionaries require in-app purchase.
- Commercial API terms require contacting Merriam-Webster.
Limits
The free app includes ads, and the Medical, Legal, and Kids dictionaries require an in-app purchase. Non-commercial API use is limited to 1,000 queries per day per key and two reference APIs.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Merriam-Webster Dictionary & Thesaurus app | free app with ads · offline dictionary and thesaurus · premium version removes ads · in-app purchase unlocks Medical, Legal, and Kids dictionaries | Free |
| Premium Monthly | Premium Monthly · iOS in-app purchase · premium app version with no ads | $1.79 a month |
| Remove Ads | Remove Ads · iOS in-app purchase · removes ads | $2.99, paid once |
| All References + Remove Ads | All References + Remove Ads · iOS in-app purchase · all references · removes ads | $5.99, paid once |
| Premium Annual | Premium Annual · iOS in-app purchase · premium app version with no ads | $9.99 a year |
As merriam-webster.com lists them, read 29 Sept 2026. The maker's own page has the final word.
Getting started
- Visit merriam-webster.com for web reference and editorial content.
- Install the app on iOS or Android for mobile dictionary and thesaurus access.
- Use the free app, which includes ads and offline definitions and synonyms.
- Choose an iOS in-app purchase if you want premium access, ad removal, or all references.
- For API integration, use non-commercial access within its daily query limit or contact Merriam-Webster about commercial terms.
Verdict
Merriam-Webster combines dictionary and thesaurus access with offline lookup, learning tools, and website editorial content. The app is free with ads, while specialized dictionaries and ad-free options are available through listed purchases.
Questions
Is Merriam-Webster Dictionary free?
The app has a free version with ads. Listed iOS purchases include Premium Monthly for $1.79 a month, Remove Ads for $2.99, paid once, All References + Remove Ads for $5.99, paid once, and Premium Annual for $9.99 a year.
Can I use the app offline?
Yes. The app provides offline access to definitions and synonyms.
Which platforms are available?
The listed platforms are web, iOS, Android, and API.
What are the Dictionary API limits?
Non-commercial use is free up to 1,000 queries per day per API key and is limited to two reference APIs. Commercial terms are arranged case by case.
Can I access specialized dictionaries?
Medical, Legal, and Kids dictionaries are available through an in-app purchase.
Who makes Merriam-Webster Dictionary?
Merriam-Webster says its company began in 1831 as G. & C. Merriam Co. and took the name Merriam-Webster, Incorporated, in 1982.
Facts from Merriam-Webster Dictionary's own pages
- API integrations
- The Dictionary API provides definitions, etymologies, audio pronunciations, synonyms, antonyms, and specialized medical, Spanish, ESL, and student-friendly vocabulary for integration into apps. · dictionaryapi.com, 29 Sept 2026
- API limits
- Non-commercial API use is free up to 1,000 queries per day per API key and is limited to two reference APIs; commercial use requires contacting Merriam-Webster for case-by-case terms. · dictionaryapi.com, 29 Sept 2026
- Audience
- The maker describes its sites and apps as language resources for visitors, English-language learners, and users seeking reference and vocabulary-building tools. · merriam-webster.com, 29 Sept 2026
- Company history
- Merriam-Webster says the company began in 1831 as G. & C. Merriam Co. and was renamed Merriam-Webster, Incorporated, in 1982. · merriam-webster.com, 29 Sept 2026
- Dictionary and thesaurus
- The app provides dictionary and thesaurus access, including offline access to definitions and synonyms. · merriam-webster.com, 29 Sept 2026
- Dictionary reference
- The Merriam-Webster.com Dictionary is a regularly updated, online-only reference with new entries, revised definitions, and digital features. · merriam-webster.com, 29 Sept 2026
- Editorial content
- The website offers Word of the Day, grammar and usage guidance, wordplay, games, quizzes, and a thesaurus. · merriam-webster.com, 29 Sept 2026
- Privacy and payment security
- Merriam-Webster says it does not sell personal information and typically uses a PCI/DSS-compliant payment processor without itself processing or storing card details. · merriam-webster.com, 29 Sept 2026
- Privacy choices
- The privacy policy describes cookie and tracking technologies and provides choices for opting out of some data uses and disclosures. · merriam-webster.com, 29 Sept 2026
- Specialized dictionaries
- Medical, Legal, and Kids dictionaries are available through an in-app purchase. · merriam-webster.com, 29 Sept 2026
- Support
- The maker provides online help, mobile app FAQs, and a contact route for product questions. · merriam-webster.com, 29 Sept 2026
- Vocabulary learning
- The app includes vocabulary-building quizzes, favorite words, and search history. · merriam-webster.com, 29 Sept 2026
- Voice search
- The app includes voice search for looking up words without spelling them. · merriam-webster.com, 29 Sept 2026
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