Front

What is a prefix?

Back

A prefix is a group of letters added to the beginning of a word to change its meaning.

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What does the prefix 'un-' mean?

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The prefix 'un-' means 'not'. For example, 'happy' becomes 'unhappy', which means 'not happy'.

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What does the prefix 'dis-' mean?

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The prefix 'dis-' means 'opposite of' or 'not'. For example, 'agree' becomes 'disagree', which means 'not agree'.

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What does the prefix 'non-' mean?

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The prefix 'non-' means 'not' or 'without'. For example, 'fiction' becomes 'nonfiction', which means 'not fiction'.

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What does the prefix 're-' mean?

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The prefix 're-' means 'again' or 'back'. For example, 'do' becomes 'redo', which means 'do again'.

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What does the prefix 'ir-' mean?

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The prefix 'ir-' means 'not'. For example, 'regular' becomes 'irregular', which means 'not regular'.

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What does the prefix 'trans-' mean?

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The prefix 'trans-' means 'across' or 'through'. For example, 'parent' becomes 'transparent', which means 'able to see through'.

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What does the prefix 'mis-' mean?

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The prefix 'mis-' means 'wrongly' or 'badly'. For example, 'understand' becomes 'misunderstand', which means 'to understand wrongly'.

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What is an example of a word with the prefix 'bi-'?

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An example is 'bicycle', which means 'two wheels'.

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What does the prefix 'anti-' mean?

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The prefix 'anti-' means 'against'. For example, 'antibiotic' means 'against life', referring to bacteria.