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' or 'opposite of'. For example, 'happy' becomes 'unhappy'.

Front

What does the prefix 'pre-' mean?

Back

The prefix 'pre-' means 'before'. For example, 'preview' means to see something before it is officially shown.

Front

What does the prefix 'mis-' mean?

Back

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

Front

What does the prefix 'dis-' mean?

Back

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

Front

What does the prefix 'anti-' mean?

Back

The prefix 'anti-' means 'against'. For example, 'antibiotic' means a substance that works against bacteria.

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What does the prefix 'sub-' mean?

Back

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

Front

What does the prefix 'semi-' mean?

Back

The prefix 'semi-' means 'half' or 'partially'. For example, 'semicircle' is half of a circle.

Front

What does the prefix 'auto-' mean?

Back

The prefix 'auto-' means 'self'. For example, 'autopilot' means a system that flies a plane by itself.

Front

What does the prefix 'inter-' mean?

Back

The prefix 'inter-' means 'between' or 'among'. For example, 'international' means between nations.