Un

ʌn

Meaning & Definition

prefix

A prefix meaning not, opposite of, or lacking.

The word 'unhappy' means not happy.

Indicates a reversal or negation of the base word.

To 'undo' something means to reverse the action.

Used to denote removal or deprivation.

He decided to 'unfriend' her on social media.

Used to indicate a lack or absence of something.

The 'unknown' person was later identified.

Used to create the opposite meaning of an adjective or adverb.

The 'unusual' weather patterns surprised everyone.

From Old English 'un-', a negating or reversing prefix.

unbelievable:

hard to believe; extraordinary.

undo:

to reverse the last action taken.

unplug:

to disconnect from a power source.

Used to denote something not cool or undesirable.

That party was so un, I left early.

Referring to someone or something as not relevant.

Don't bring that up; it's so un.