Prefixes

Front

What is a prefix?

Back

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

Front

What does the prefix 'un-' mean?

Back

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

Front

What does the prefix 're-' mean?

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

Front

What does the prefix 'dis-' mean?

Back

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

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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', meaning 'to understand wrongly'.

Front

What does the prefix 'im-' mean?

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The prefix 'im-' means 'not' or 'opposite of'. For example, 'possible' becomes 'impossible', meaning 'not possible'.

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What does the prefix 'pre-' mean?

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The prefix 'pre-' means 'before'. For example, 'view' becomes 'preview', meaning 'to view before'.

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What does the prefix 'sub-' mean?

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The prefix 'sub-' means 'under' or 'below'. For example, 'marine' becomes 'submarine', meaning 'under the sea'.

Front

What does the prefix 'non-' mean?

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

Front

What does the prefix 'semi-' mean?

Back

The prefix 'semi-' means 'half' or 'partly'. For example, 'circle' becomes 'semicircle', meaning 'half a circle'.