Identify Common Prefixes: un-, re-, pre-
3rd Grade English practice: Which word means 'to warm something before'. Part of word study: affixes (Word Study: Affixes).
~10 min
'un-' means 'not' or 'opposite of'. (e.g., untie, unfair)
The Prefix un-
Understanding un-
It is unfair to untie my shoes.
The prefix 'un-' is added to the beginning of a word to mean 'not' or the 'opposite of'. For example, 'untie' means to undo a tie, and 'unfair' means not fair.
💡 Think of 'un-' like a button that turns a word into its opposite.