View synonyms for KO

KO

or K.O., k.o., kay·o

[ noun key-oh, key-oh; verb key-oh ]

Phonetic (Standard)IPA

noun

, plural KO's.

, KO'd, KO'ing.

/ ˈkeɪˈəʊ /

Origin of KO¹

First recorded in 1920–25; initial letters of knock out

And some experts hesitate to label the concussion crisis as the one that will finally K.O. football as we know it.

But when she tried to leave him for a woman, he hatched a plot to K.O. her for good.

April 23, 2024inveterate

[in-vet-er-it ]

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Browse