10 Best Free Synonym Finder Tools and Dictionaries in 2024

In this article, you will find the top 10 synonym finders to discover similar words, build your vocabulary, and enrich your content with more mixed words.

Do you know an equivalent word for “things“?

Or a similar word for “dilemma“?

How about using syntax and sentence structure instead of word arrangement? Does it relate to each other?

Knowing English grammar and punctuation marks well in English writing polishes your writing ability.

But knowing more words and lots of similar words when it comes to writing any article makes your story skimmable, readable, and insightful.

Just like you pay attention to correct grammar mistakes, you should never forget the contextual combination of each word and sentence.

Adding more synonym words into text increases the readability and improves your knowledge about the particular topic.

Why not? It improves the article by not repeating the same words here and there.

That’s why today, I am going to list the best online synonym finder tools and dictionaries. Check them out, and let me know your favorite synonym finder tool.

#1: Grammarly Vocabulary Builder – An English Synonym Dictionary


Grammarly is a grammar checker, punctuation corrector, and perfect plagiarism checker tool. But, apart from correcting English grammar, it has a unique tool known as Vocabulary Builder to find and suggest synonym words for each word you select.

Here’s an example.

Synonyms Grammarly Editor

As you see, once I double-clicked the word “time” in the example, Grammarly suggested similar words. It categorized each relevant word into three categories.

How to Use Grammarly Vocabulary Tool

Grammarly has both free and premium plans. However, features such as contextual grammar checking, plagiarism, and vocabulary builder come under premium plans.

So, here’s how to start using the Grammarly tool to find English synonyms fast.

Step #1: Go to the Grammarly signup page, enter your details, and click on the “Sign Up” button.


Step #2: Select your desired subscription package. Grammarly offers monthly, quarterly, and yearly premium plans.

Grammarly pricing table

Step #3: Pay your bill by credit card or PayPal.

Grammarly checkout form

Step #4: Once you have activated your Grammarly account, log into your Grammarly account.

Step #5: Install Grammarly’s Chrome extension on your browser.


Now, you can find English synonyms easily. There are three ways to do that.

  • Find synonyms on Microsoft Word (by installing Grammarly Microsoft Office suite Add-in)
  • Find English synonyms on websites.
  • Find similar meaning words on Grammarly’s editor.

Here, I will show some key advantages of using Grammarly as your vocabulary builder.

Once you have installed it, log into your Grammarly premium account if you haven’t done it yet. Then, click on the Grammarly extension to enable the “Show Definitions and Synonyms via Double Clicks (All Sites)” option.

Enable Definitions and Synonyms on Grammarly's browser extension

Now, you can easily and quickly find synonyms for any available word.

Check synonyms Twitter Grammarly extension

If you are an active member of Internet forums such as WarriorForum and Q&A sites such as Quora, then you should look at how Grammarly’s vocabulary builder can help you find identical words.

The best part of the Grammarly grammar checker is that you are just one click away from replacing words with synonyms.

Click here to try Grammarly.

#2: Thesaurus – English synonyms and antonyms Dictionary

Thesaurus English synonyms checker

Thesaurus is another website that offers tools to find synonym words. Thesaurus.com’s interface is similar to Dictionary.com but has different colors.

It is a free online synonym dictionary. It ranks top among the best synonym finders considering the features and tools.

Here’s how to find English synonyms with the Thesaurus English synonym dictionary.

Go to Thesaurus.com, enter a word into the search box, and hit the enter button.

On the next page, you can see comprehensive details about your search term, such as word type (noun, verb, adjective), word meaning, antonyms, and synonyms.

The best thing about the Thesaurus synonym checker is that it categorizes each word as its complexability, relevance, and length.

Here are the page for synonyms for ‘confusion.’

Thesaurus's synonyms checker for 'confusion'

Also, the Thesaurus website lets you compare synonyms up to three words and learn how to use the particular word or synonym in a sentence.

#3: Collins English Thesaurus – Collins English Dictionary

Collins English thesaurus

Collins English Thesaurus is another synonym tool that provides several similar meaning words. If you are new to the English language, Collins English Thesaurus will be helpful for you.

First, go to Collins English Thesaurus website and enter a word/phrase to get its synonyms.

I typed the word ‘Small’ into the search box and hit the ‘Enter’ button.

Collins Thesaurus searching synonyms for "small"

Here’s what I got on the next page.

Similar words for 'small' in Collins Thesaurus

Collins English Dictionary has found that “Small” is an adjective. And it also found that there are many adjectives with identical definitions.

Collins English Thesaurus lists each relevant word according to the keyword’s relevance.

Besides finding English synonyms, Collins English Thesaurus also contains your searched word in other languages. You can listen to the pronunciation of those terms as well.

#4: Reverso English Synonym Dictionary – A free online Thesaurus

Reverso English synonym dictionary

In my previous articles, I mentioned the Reverso grammar checker. Another grammar-related tool of Reverso is the Reverso English Synonym Dictionary. Like other tools, once you input any word into the search box, it will start analyzing synonyms and list the relevance and the meaning.

Reverso English Synonym checker fetches data from Collins Dictionary. So, you will get the same synonym words in Collins English Thesaurus.

#5: Power Thesaurus – An English Synonym Dictionary


Power Thesaurus is one of my best synonym-finder tools. This tool is special because it shows you the total number of synonyms and antonyms when you type it.

Here is an example.

Similar word suggestions for best powerthesaurus.com

I entered the “best” adjective into the search box. In a fraction of a second, I got a few suggestions, and when I hover over the “best” word, it displays how many words similar to “best” I can find on this search. It is a very good feature, right?

My favorite feature of Power Thesaurus is the ability to filter each word. You can filter words according to rating (human rating), alphabet, syllables, and length. And why not? If you want to find related phrases to your search (i think this group is made according to user searches), you can easily find them. Check this screenshot.

Synonyms for best powerthesaurus.com

#6: Word Reference – An Online Language Dictionary


Do you want to check synonyms for words and phrases in languages such as French, Spanish, and Italian?

If you face a situation where you have to find another word in another language, I recommend you to use WordReference. 

Go to WordReference.com, enter a word phrase, and hit the “Enter” button.

Then, you will get many similar meaning phrases.

Wordreference online language dictionary

#7: Synonym

Another website to find synonyms for known and unknown words.

For instance, I typed the “check” word into the search box and hit the “Enter” button.


What do you remember when seeing the “Check” word?

Just only the verb check and the paycheck?

What if I told you there are ten different meanings for “Check”?

Yes, there are ten unique definitions for Check.

Under each section, you can find tens of synonyms and antonyms.

Synonyms for check

#8: Word Web Online

Even if you found similar meanings, you would find it hard to adjust them in a sentence. This is where WordWebOnline.com comes in.

Under each section, you may find an example of how to adapt each noun/verb into a sentence under each section. It is nice, right?


You can download WordWebOnline Dictionary software for free to your Windows computer or install the mobile app on your Android or Apple device.

#9: Vocabulary Dictionary – Look up any word


Vocabulary’s Dictionary is one of my top destinations for looking up a word. It does not only provide a lot of words but also every example.

As with other synonym finders, go to Vocabulary.com’s Word Lookup page, type your strange word into the search box, and hit the enter button.

As you see, I got the meaning of “hirsute.”

Definition for hirsute vocabulary.com

You can see synonyms and antonyms at the bottom of the page for “hirsute.”

Vocabulary.com has an excellent feature of citing examples for your search over the web.

Examples hirsute vocabulary

If you find a free synonym finder tool to polish your English language, Vocabulary.com’s Word Lookup tool is perfect for you.

#10: Cambridge Dictionary’s English Thesaurus

Cambridge Thesaurus

Cambridge.org’s English thesaurus is another free synonym dictionary to add new words to your vocabulary.

Go to Cambridge Thesaurus over here and enter your word or word phrase.

You can see a similar interface when your search is done.

Cambridge Thesaurus Synonyms page for 'well known'

On this page, you can see synonyms for a particular word. Also, the Cambridge Dictionary offers many tools related to English grammar and translation. You can opt for any tool and develop your language skills.

Conclusion on Best Synonym Suggestion Tools

So, these are the best synonym finder tools and dictionaries. Many of them work similarly. You type a word, hit the search button, and vocabulary checker tools will provide equivalent words.

But, if you are searching for a suitable synonym dictionary online that can automatically replace each word, I recommend you use Grammarly.

It is because I use Grammarly to correct my grammar. I have found nothing wrong with the Grammarly grammar checker. It is one of the power tools in the Pitiya arsenal, too!

Please let us know in the comment box below if you know or have used any other tool to find synonyms.

Also, don’t forget to share this article with your friends on Facebook and Twitter. They may be happy to know how they can improve their English vocabulary!

2 thoughts on “10 Best Free Synonym Finder Tools and Dictionaries in 2024”

  1. Hi Chamal,
    Really, simple and great post, I like author’s writing skills. The article is well described and useful for everyone, keep writing articles like this. Thanks Chamal


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