unsub

¹ American  

[uhn-suhb] / ʌnˈsʌb /

verb (used with or without object)

unsubbed, unsubbing

1. to unsubscribe from an online service, email updates, marketing messages, etc..

   The service renews automatically, but you can unsub at any time.

---

noun

1. a person or an account that unsubscribes from an online service.

   The site sent too many spam emails in a single day and was flooded with unsubs.

unsub ² American  

[uhn-suhb] / ʌnˈsʌb /

noun

Police Slang.

1. a suspect in a crime investigation whose identity or name is not known.

---

unsub ³ American  

[uhn-suhb] / ʌnˈsʌb /

adjective

1. not furnished or supported by a subsidy; unsubsidized.

   unsub loans.

---

Etymology

Origin of unsub¹

First recorded in 1995–2000; by shortening

Origin of unsub²

First recorded in 1960–65; un(known) ( def. ) or un(identified) ( def. ) + sub(ject) ( def. ) (of an investigation)

Origin of unsub³

By shortening

Example Sentences

So are the “uns,” such as unfollow, unsub and unmute.

From Seattle Times • Nov. 16, 2022

It, along with all other listserv commands, can be abbreviated—-subscribe as sub, unsubscribe as unsub, etc.

From Zen and the Art of the Internet by Kehoe, Brendan P.