How to Use Idioms Correctly in IELTS Speaking for Higher Scores

Quick answer: Use idioms that fit the topic, sound natural, and match your level. Choose common idioms, place them in the right part of the sentence, and practice them aloud. Avoid forced or overly formal idioms, and always check meaning and collocation before the test.↗ Share on X
Why Idioms Matter in IELTS Speaking
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How to Structure IELTS Speaking Part 2 Answers for Band 8 Success →Idioms are short phrases that carry a meaning different from the individual words. In the speaking test, examiners listen for a wide range of vocabulary. Using a well‑placed idiom can show that you have a natural feel for English. Research from language testing bodies shows that candidates who use idioms correctly often receive higher marks in the “Lexical Resource” band. For example, saying “I was over the moon when I got the news” sounds more fluent than “I was very happy”. In my own tutoring sessions, I noticed that students who added two or three appropriate idioms moved from band 6 to band 7 in just a few weeks. The key is not to overload the answer, but to sprinkle idioms where they fit the idea. This small step can turn a flat answer into a lively one. Idioms also help you avoid repetition. Instead of repeating the word ‘very’ many times, you can say ‘as cool as a cucumber’ to describe calmness. The test lasts only 11‑14 minutes, so every chance to show variety counts. However, the benefit disappears if the idiom sounds forced or is used in the wrong context. That is why practice and selection matter more than quantity.
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Choosing the Right Idioms
Not every idiom is safe for the IELTS speaking test. Choose idioms that appear in everyday news, movies, or textbooks. Idioms such as “break the ice”, “a piece of cake”, “hit the nail on the head”, “cost an arm and a leg”, and “under the weather” are widely understood. Avoid obscure sayings like “to be a fly in the ointment” unless you are sure of the meaning. Check the collocation: the word “hit” pairs naturally with “the nail”, but “hit the cost” sounds odd. A quick way to verify is to type the phrase into a search engine and see how many results appear. The more common the phrase, the safer it is to use. When you pick an idiom, ask yourself: Does it match the topic? Does it add a clear image? If the answer is yes, keep it. If you are unsure, replace it with a simpler expression. I once asked a student to use “spill the beans” when talking about a secret. He used it correctly and the examiner noted his natural use of idiomatic language.
Placing Idioms Naturally
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Essential Vocabulary for Achieving IELTS Band 8 in Writing →An idiom works best when it follows the natural flow of a sentence. Start with a short clause, then insert the idiom, and finish with a clear idea. Example: “When I first moved to the city, I felt like a fish out of water, but I soon learned the ropes.” Notice how the idiom “a fish out of water” appears right after the feeling is introduced. In another case, you can use an idiom to wrap up a point: “Overall, the project was a success, even though it cost an arm and a leg.” Here the idiom emphasizes the high cost while the sentence stays clear. Try to keep the idiom at the same tense as the surrounding verbs. Mixing past and present incorrectly can sound awkward. Practice by recording yourself answering a sample question, then listening for any odd phrasing.
Common Mistakes and How to Avoid Them
Many candidates make simple errors that lower their score. One frequent mistake is using an idiom with the wrong preposition. Saying “in the rain cats and dogs” instead of “raining cats and dogs” changes the meaning completely. Another error is over‑using idioms. If every sentence contains an idiom, the speech can feel forced. Aim for one or two per answer. Literal translation is also risky. A phrase that works in your native language may not exist in English, such as “to carry a heavy load on the heart”. Replace it with “to bear a heavy burden”. Finally, some idioms have cultural limits. “Kick the bucket” means to die, but it sounds too dark for a casual conversation about health. Choose idioms that suit the tone of the question.
Practice Tips and Resources
Build a personal idiom notebook. Write the idiom, its meaning, and one example sentence that matches IELTS topics. Review the notebook daily and try to use each idiom in a new sentence. Shadow native speakers on podcasts or YouTube videos that contain idioms. Pause after each idiom, repeat it aloud, and then create your own version. Record your practice answers and compare them with a model answer. Online platforms such as the British Council’s “LearnEnglish” site offer short videos that explain common idioms with examples. Set a timer for two minutes and answer a speaking question, making sure to include at least one idiom. After the timer, check if the idiom fits the meaning and sounds natural. Consistent, focused practice will turn idioms from a list into a habit.
Frequently asked questions
Can I use idioms in Part 1 of the speaking test?
Yes, but keep them simple and relevant. Part 1 is short, so one idiom can add color without taking too much time.
How many idioms should I aim for in each answer?
One or two well‑placed idioms are enough. Too many can sound rehearsed.
What if I forget the exact wording of an idiom?
It is safer to paraphrase the idea than to use a wrong idiom. The examiner values clarity over a forced phrase.
Are idioms counted as part of “Lexical Resource”?
Yes, idioms are a sign of advanced vocabulary. Correct use can boost your band score.
Where can I find reliable lists of IELTS‑friendly idioms?
Official Cambridge practice books, British Council websites, and reputable language blogs provide curated lists.
