Common Prefixes: re-, over-, under-, mis-
IELTS with Mujahid · Beginner practice
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What is a prefix? A prefix is a small part added to the start of a word. It changes the meaning, but the spelling of the base word stays the same. Learn the meaning of each prefix and you can understand many new words.
re-
again / backover-
too muchunder-
too little / belowmis-
wrongly / badly
again / backover-
too muchunder-
too little / belowmis-
wrongly / badly
re- = again / backDo something one more time
over- = too muchMore than is good or needed
under- = too little / belowLess than needed, or lower than
mis- = wrongly / badlyA mistake or a bad action
💡 IELTS tip: Prefix words make your writing shorter and stronger: say misunderstand instead of “understand wrongly” and underpaid instead of “paid too little”. Remember the opposite pair: overestimate (guess too high) and underestimate (guess too low). Not every word takes every prefix, so learn real words (there is no “reeat”).
Ready? Tap a tab above and start with 1. Choose Prefix.
Activity 1: Choose the Prefix
Read the meaning. Choose the prefix that makes the new word.
Activity 2: Gap Fill
Choose the word that fits the meaning of the sentence.
Activity 3: Not a Real Word
Two words are real English words. One is not. Tap the word that does not exist.
Activity 4: Fix the Mistake
Each pair has one correct sentence and one with a wrong word. Tap the correct sentence.
Activity 5: Type It
Type the missing word. The meaning and the number of letters are given as clues. Press Check or Enter.