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When you’re surfing the web and come across a hard word, all you have to do is look up its meaning on your favorite Best Dictionary Extensions. Even though it’s good, don’t you think the process is a little bit tiring? You have to stop what you’re doing and open a different dictionary in a different tab to look up the word.
If you don’t feel good about this, we have a great way for you to feel better. You can get a dictionary add-on for your browser that will let you look up the meaning of a word right on the page. Dictionary extensions look up a word in different online dictionaries and give details in a simple dialog. All you have to do to find out what a word means is double-click on it and click on the extension button.
Best Dictionary Extensions Comparison Table
Extension | Features | Price |
---|---|---|
Google Dictionary | Word Definitions, Synonyms and Antonyms, Pronunciation Audio, Offline Support | Free |
Dictionary Lookup | Word Definitions, Synonyms and Antonyms | Free |
My Dictionary | Word Definitions, Synonyms and Antonyms, Pronunciation Audio, Offline Support | Free |
Instant Dictionary | Word Definitions, Synonyms and Antonyms, Offline Support | Free |
Power Thesaurus | Synonyms and Antonyms | Free |
Google Translate | Text Translation, Speech Translation, Offline Support, Multiple Languages | Free |
Urban Dictionary Search | Word Definitions, Synonyms and Antonyms, Example Usage | Free |
Google Dictionary

Feature | Description |
---|---|
Word definitions | Provides definitions and pronunciation of words |
Synonyms | Provides synonyms and antonyms of words |
Translation | Ability to translate words into multiple languages |
Usage examples | Provides examples of how words are used in sentences |
Google’s Google Dictionary is one of the oldest and most reliable dictionary add-ons. It can be used in many languages. This post is an alternative to the Google Dictionary extensions. By default, if you double-click on a word, a pop-up window will show you what it means.
You can change this by assigning a key that must be pressed along with a double-click of the mouse. You can also save the words you’ve looked up by turning that feature on in the settings for the extension.
The Good
- Simple to use and get around
- Offers many ways to look up words and translate them.
- Definitions and translations that are correct and reliable
The Bad
- Only in English and English translations
- Only lets you look up words and doesn’t give you much information or context.
Dictionary Lookup

Feature | Description |
---|---|
Word definitions | Provides definitions and pronunciation of words |
Synonyms | Provides synonyms and antonyms of words |
Related words | Provides related words and phrases to the searched word |
If you don’t like the idea of a pop-up window appearing when you double-click a word, Dictionary Lookup gives you another option. To see a word’s definition in a pop-up, you need to press a key on your keyboard: Alt on Windows, Command on Mac, and Ctrl on Linux.
You also need to double-click the word or select it. In the settings for the extension, you can change the button on the keyboard. You can disable this behavior and use double-clicking instead by choosing None in the Mouse lookup modifier. You can also choose whether the pop-up window should show content or not.
The Good
- Simple to use and get around
- Offers several ways to look up words.
- Includes words and phrases that go with it for more information.
The Bad
- Language and definitions in English only
- Only lets you look up words and doesn’t give you translations or context.
My Dictionary

Feature | Description |
---|---|
Word definitions | Provides definitions and pronunciation of words |
Synonyms | Provides synonyms and antonyms of words |
Translation | Ability to translate words into multiple languages |
Personalization | Users can create and save word lists and notes |
My Dictionary is a bit different in how it works. Even though this extension doesn’t make you leave the page you’re on, it does open a new window in the same tab. Even though it takes some time, it’s good because you can easily switch between different dictionaries.
Double-click on a word to find out what it means. Then, click on Choose Dictionary and pick your favorite dictionary from the list. On the next screen, you can change this dictionary. We wish we could make a dictionary the default so we didn’t have to choose it every time.
The Good
- Simple to use and get around
- Offers many ways to look up words and translate them.
- Word lists and notes that have been saved can be personalized and changed.
The Bad
- Only in English and English translations
- There aren’t many ways to change saved word lists and notes.
Instant Dictionary

Feature | Description |
---|---|
Word definitions | Provides definitions and pronunciation of words |
Synonyms | Provides synonyms and antonyms of words |
Related words | Provides related words and phrases to the searched word |
Usage examples | Provides examples of how words are used in sentences |
Another powerful dictionary extension for Chrome is Instant Dictionary. Just like Google Dictionary, you can double-click a word or phrase to see its definition in a small bubble that pops up. This is one of the best Dictionary Extensions that you can download right now.
You can also use the online dictionary to look up a word’s full meaning. You can also use Instant Dictionary to search Google for words and phrases that aren’t in the dictionary. Both Google Docs and Microsoft Office can use this add-on.
The Good
- Quick and simple to use
- Offers many ways to look up words and find information.
- Includes related words and examples of how to use them to give you more information.
The Bad
- Language and definitions in English only
- Only lets you look up words and doesn’t give you translations or context.
Power Thesaurus

Feature | Description |
---|---|
Synonyms | Provides synonyms and antonyms of words |
Related words | Provides related words and phrases to the searched word |
User submissions | Allows users to submit their own synonyms and antonyms |
Power Thesaurus is another great online dictionary that we like to use. It has a Chrome extension that works on any website. Once it’s installed, you can click on any word to see its synonyms and antonyms.
Just click on a word or use the right mouse button to see its definition, synonyms, antonyms, example sentences, and other information. Power Thesaurus also has a pro version that has more features, like more results, the ability to add search filters, move lists around, and more.
The Good
- A lot of synonyms and antonyms to choose from
- User-submitted content opens up a lot of possibilities.
- Includes words and phrases that go with it for more information.
The Bad
- Only English and word lookups are allowed
- Does not provide definitions or translations
Google Translate

Feature | Description |
---|---|
Translation | Ability to translate text into multiple languages |
Speech translation | Ability to translate spoken language in real-time |
Written translation | Ability to translate written text |
Dictionary lookup | Provides definitions of words in the translated language |
Google Translate is a must-have tool if you want a better and more reliable way to get online translations quickly. It lets you translate any word, phrase, or chunk of text into any language you want. With Google Translate Extension, you can choose the language you want to use.
You can practice how to say new words correctly by listening to how they are pronounced. With a right-click, you can go to the Google Translate homepage, where you can find more information about the words you’ve translated, such as definitions, examples of how they are used, and more.
The Good
- Translations that are accurate and reliable
- There are many ways to translate, including the ability to translate speech.
- Includes a lookup in the dictionary for more information.
The Bad
- Some translations might not be right or might lose their meaning.
- Only lets you translate text, and it doesn’t give you any background information.
Urban Dictionary Search

Feature | Description |
---|---|
Slang definitions | Provides definitions of slang words and phrases |
User submissions | Allows users to submit their own definitions |
Upvoting system | Users can upvote or downvote submitted definitions |
Last on our list is Urban Dictionary Search, an extension that works better with modern content. This extension is used to find new words that aren’t in regular dictionaries, as the name suggests. The idea is the same: you can search by clicking on the extension icon at the top or by right-clicking on a word to get a search from urbandictionary.com.
It doesn’t come with a settings menu, but we ware pretty happy with how it worked out of the box. Social media is becoming more and more important, so it’s important to learn the new generation’s slang. If you agree, give this extension a try.
The Good
- A lot of slang words and phrases are defined and explained.
- User-submitted content opens up a lot of possibilities.
- The upvoting system helps us figure out which definitions are the most popular or accurate.
The Bad
- Some definitions may be inappropriate or offensive
- Not every definition may be true or accurate.
FAQs
Which Chrome extension is best for dictionary?
Power Thesaurus
It has a Chrome extension that works on any website. Once it’s installed, you can click on any word to see its synonyms and antonyms. Just click on a word or use the right mouse button to see its definition, synonyms, antonyms, example sentences, and other information.
What is Google Dictionary extension?
With the Google Dictionary extension, it’s very easy for anyone to look up word definitions and find them with just one click. The Google extension dictionary is easy to use: just open a web page, double-click on any word, and a pop-up bubble with the word’s meaning will appear.
What is Chrome extension double click dictionary?
Go to the dictionary. When reading text on a website in a language you don’t know, this extension saves you time by letting you double-click on words you don’t understand to get a quick translation.
What is the best version of the dictionary?
Most people agree that the Oxford English Dictionary (OED) is the best guide to the English language. It is the best way to learn the meaning, history, and correct way to say 600,000 English words from all over the English-speaking world.