English-to-English Definitions - Merriam-Webster Dictionary icon

English-to-English Definitions - Merriam-Webster Dictionary

by Behnam Azimi

v3.1.1 Updated Jan 17, 2026 194KiB
CWS
50K
Users
★ 4.58
109 reviews
#1727
of 133.9K
tools
#293 of 41.4K
Highly rated

Description

Discover the world of words with this FREE, open-source Merriam-Webster Dictionary extension, without switching tabs or getting distracted. Uncover English-to-English definitions swiftly and effortlessly. Its simple search box ensures you access definitions seamlessly without losing focus on your content. ⚠️ Note: This is a powerful dictionary tool for defining words and phrases, NOT a translator. ⚠️ Note: While this extension is free, users need to sign up for a dictionaryapi.com account to generate their own API key for unlimited access. (More details in extension settings.) ✩✩ Key Features ✩✩ 1️⃣ Effortless Definition Retrieval: - Quickly get results within a user-friendly search box, whether by typing or selecting. - Capture highlighted text from your browser effortlessly – select a text, open the box, and get instant results. - Enhance efficiency with a convenient bubble button; a single button click near the selected text will show the definitions 2️⃣ Access to the main definitions page - Direct link in results for main definitions page - Selected text context menu item to open the main definition page - Configure the bubble button to open the main definition page 3️⃣ Search History Tracking: - Quickly revisit past searches via the extension's history page. - Retrieve previously searched words on a webpage using the convenient review toolbar at the bottom left. 4️⃣ Video-Friendly Features: - Pause playing video and resume automatically during searches for uninterrupted focus and time efficiency. 5️⃣ Compatibility with all OpenDictionary APIs: - All the dictionary APIs offered by OpenDictionary for a comprehensive dictionary experience. ---- 🤔 Do I need it? This extension is perfect for individuals who: - Frequently Seek English-to-English Definitions - Tired of Information Overload Value Simplicity and Efficiency and Desire Effortless Exploration ℹ️ FAQ: ❓ Is it free to use? - Yes! The extension utilizes Merriam-Webster's free services. ❓ Any limitations on API key usage? - The default key offers 20 definitions to allow all users to try out the service, but you can easily get your FREE personal API key with instructions on the options page. ❓ Can I use it to translate to other languages? - This extension is for defining words and phrases in English. However, you can get a free Spanish-English API key to see the definitions of Spanish words in Spanish. ❓ Can I use this extension to translate sentences? - No, this extension can only provide word-to-word or phrase definitions and thesaurus entries. ❓ Can I customize the extension? - Yes, explore various options to tailor your experience in the options menu. ---- Lastly, this extension is hastily developed for personal use so don't be shy to give any constructive feedback to improve it. Support the project: https://buymeacoffee.com/behi Grateful to: - https://www.merriam-webster.com - https://dictionaryapi.com/ Version: v3.1.0
English-to-English Definitions - Merriam-Webster Dictionary screenshot 1English-to-English Definitions - Merriam-Webster Dictionary screenshot 2English-to-English Definitions - Merriam-Webster Dictionary screenshot 3English-to-English Definitions - Merriam-Webster Dictionary screenshot 4English-to-English Definitions - Merriam-Webster Dictionary screenshot 5

Reviews (10 cached)

★☆☆☆☆2025-07-19
Lyndsay Gowin

Spent way too much time trying to figure out how to register for an api key for free unlimited access. I filled out the form as asked, after selecting the make it easier option because I don't have developer app information to input. With all fields filled in, checking my password length and that it is matching multiple times, selecting all the cars for the captcha, the "register" button never turns red, allowing me to submit the form. I am a VERY busy college student that didn't have this kind of time to waste. This kind of app should be helping people save time not demanding that they waste it.

★☆☆☆☆2024-08-13
Harkirpa Singh

Not free, only allows 20 word searches. Avoid at all costs.

★☆☆☆☆2023-03-05
Alex

dictionaryapi.com says "Registrations temporarily disabled.". There are no options to use the extension. :(

★☆☆☆☆2023-01-01
redacted

why cant i select, right click search the word? dictionary'com extension allows me to do that

★★☆☆☆2024-10-18
Ghazale

Not free—unless your time spent making it work is worth $0. Pros: + Opens a small over-the-page window for quick word lookup Cons: - The treasure is limited, so it doesn't find or define all words - Made by developers for developers. Hear me out: After a while, it stopped working, saying I needed to put in an "API key," with no further information provided. So, I went searching. Perplexity instructed me to create an account on their developer website (https://dictionaryapi.com/), but the website directed me to start with the "products" page. The products page didn't seem to include anything related to extension APIs, so I clicked on a strangely located "register" link to follow Perplexity's solution. I closed the registration page the moment I saw the form! It fails basic UX and accessibility standards, and it's ridiculously long, with fields that aren't relevant for consumers or single users. I felt so cheated because when you factor in the time spent getting this extension to work, it actually makes it very expensive and NOT FREE.

★★☆☆☆2024-08-14
Qatmarella

Extremely useful and handy...Until you have to buy it (after 20 words). Shame on its hungry creator.

★★☆☆☆2024-07-28
John Vining

I cannot move the button or the pop up window locations, they are interfering with another extension for translation.

★★☆☆☆2023-11-21
岡田Beowulf

Error handling response: TypeError: Cannot convert undefined or null to object at Function.keys (<anonymous>) at chrome-extension://gmhgdiamihghcepkeapfoeakphffcdkk/content.js:6:14942 at chrome-extension://gmhgdiamihghcepkeapfoeakphffcdkk/content.js:6:15256

★★☆☆☆2023-03-08
E

It wants me to pay

★★★☆☆2025-02-16
Asliddin

It would be helpful to include a sentence demonstrating the word in context, along with a list of synonyms.

Permissions (2)

Permissions

contextMenus Can add items to the right-click menu storage Can store data locally in your browser

Details

Version 3.1.1
Updated Jan 17, 2026
Size 194KiB
First Seen Mar 28, 2026