Home / Articles / Vocabulary / Boost Your Vocabulary with Synonyms

Boost Your Vocabulary with Synonyms

By Paula, May 22 2025, 01:45
Designed by Freepik
How synonyms can help you improve your writing

One of the easiest ways to instantly improve your English writing is by using synonymswords that have similar meanings. Synonyms help you sound more fluent, more natural, and less repetitive (which is extremely important if you are aiming for band 6.5+ in your IELTS test.)

For example, how many times do you write the word “good” in your essays?

      “It was a good idea.”  “She is a good teacher.”  “We had a good time.”

Sounds a little boring, right? 

Using synonyms helps you:

  • To avoid repetition
  • To expand your vocabulary
  • To sound more academic or professional
  • To express more precise meaning
     

Common Words and Their Synonyms

  • Good excellent, effective, beneficial 
  • Bad  Terrible, harmful, unpleasant
  • Important  essential, crucial, significant
  • Big  large, massive, considerable
  • Small  tiny, minor, limited
  • Think believe, consider, reflect
  • Help  →  assist, support, aid
  • Say  state, mention, explain 

NOTE: Not all synonyms are exactly the same! Some are more formal, some more casual. Think about context and the meaning you want to convey.

For example:

Original: The meeting was good and the ideas were interesting.

Better: The meeting was productive, and the ideas were engaging.

More variety = more impact!

Tips for Using Synonyms Wisely

  1. Use a thesaurus (but don’t overdo it!)
  2. Always check the context
  3. Learn word families (e.g., happy → happily, happiness)
  4. Practice by rewriting simple sentences in a more advanced way
     

Practice 1: Upgrade These Sentences. Replace the basic words with stronger synonyms. Keep the sentence structure clear and natural.

  1. The movie was good.
  2. He is a bad driver.
  3. It’s important to sleep well.
  4. She gave me some help.
  5. I think this idea is great.

 

Practice 2: Write a Short Paragraph. Write a short paragraph (4–5 sentences) about one of the following topics. Try to avoid using simple words like good, bad, nice, think, say, or important. Use strong synonyms instead!

 

Topics:

  • A teacher who influenced you
  • A trip you enjoyed
  • Why learning English is valuable
     

Submit your paragraph to Poligo and we’ll give you feedback on your work!

  • Paula's picture
    Paula
    About me
    I’m an experienced IELTS coach originally from Argentina, now living in Portugal, with a passion for helping students achieve their dreams of studying, working, and living in English-speaking countries. I’ve also lived and worked in New Zealand, where I honed my skills as an English teacher. My expertise lies in guiding students through the IELTS exam, particularly in enhancing their writing skills to meet and exceed their target band scores.
    Experience
    I’ve been coaching students for the IELTS exam since 2017, specializing in improving their writing skills for both the General Training and Academic versions of the test. My journey with IELTS began in 2016 when I took the test myself to validate my teaching degree and work in New Zealand. This personal experience gives me a deep understanding of what my students need when preparing for the test. With a thorough knowledge of the IELTS marking criteria, I guide my students to ensure they check all the boxes to achieve their target band scores. So far, I’ve successfully helped more than 100 students move to Australia, New Zealand, and the UK, and I’m committed to helping many more reach their goals.

Try Poligo now for free

Get help with your English writing from professional teachers 24 hours a day. We'll correct your writing and give you lots of useful advice and feedback. Poligo's service is super fast — if you don't get help in less than 24 hours, you get your money back. It's free to join & new members get 500 characters of writing checked for free.

  • Fast service.
  • 100% private.
  • Professional quality.

Write better English