KO

Initialism of knock out. Initialism of kick-off.

KO (plural KOs or KO's)

1. (boxing) Abbreviation of knock out.
2. (sports) Abbreviation of kick-off. - the time or manner of start of play

KO (third-person singular simple present KOs or KO's, present participle KOing or KO'ing, simple past and past participle KOed or KO'd)

1. (transitive, boxing) To knock someone out, to render someone unconscious.

   Joe KO'd the opposing boxer.

2. (intransitive, sports) To start play.

• O. K., OK, OK., Ok, Ok., ok

From English KO.

KO

1. (transitive, informal) to finish

Orthographic borrowing from English KO

KO m or f (plural KOs)

1. unconscious

   Ele tomou dois shots e ficou logo KO. ― He drank two shots and lost his consciousness.

KO m (plural KOs)

1. (sports) KO, knockout

   A luta acabou com um KO em poucos segundos. ― The fight ended with a KO in a few seconds.