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Definition of unsub

unsub

/ˈʌnˌsʌb/
un · sub
Plural:unsubs
•
Past Simple:unsubbed
•
Past Participle:unsubbed
•
Present Participle:unsubbing
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unsub Lexical Profile

unsub Game Scores & Validity

• noun

1

American An unidentified suspect or perpetrator under investigation by law enforcement (short for unknown subject).

Example

"The behavioral analysis unit created a psychological profile to help local police identify the unsub."

2

An instance of canceling a subscription to a mailing list, channel, or online service, or a user who does so.

Example

"Sending promotional emails too frequently resulted in a sudden spike in unsubs this week."

Synonyms
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• verb

1

To cancel a subscription to an online channel, forum, newsletter, or digital service (informal short form of unsubscribe).

Example

"I decided to unsub from the channel after the creator stopped posting educational content."

Synonyms
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Antonyms
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• Nearby Words

unstuffy
unstylish
unstylishly
unsub
unsubmerged
unsubscribe
unsubscriber

Word Origin & Etymology

As a noun in law enforcement jargon, a blend of 'unknown' and 'subject'; as an internet verb and noun, a colloquial clipping of 'unsubscribe'.

Cite this Entry

Wordmom. (2026). Definition of Unsub. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/unsub
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