KO

(kā′ō′) Slang

tr.v. KO'd, KO'ing, KO's

To knock out, as in boxing.

n. (kā-ō′, kā′ō′)

A knockout, as in boxing.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

KO

(ˈkeɪˈəʊ) or

k.o.

vb, KO's, KO'ing, KO'd, k.o.'s, k.o.'ing or k.o.'d

(Boxing) a slang term for knock out. See knockout

n, pl KO's or k.o.'s

(Boxing) a slang term for knockout

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

KO

(n. ˈkeɪˈoʊ, ˈkeɪˌoʊ; v. ˈkeɪˈoʊ)

n., pl. KOs or KO's, n.

1. a knockout in boxing.

v.t.

2. to knock unconscious in boxing; knock out.

Often, K.O., k.o.

[1920–25; initial letters of knock out]

KO

Past participle: KO'd
Gerund: KO'ing

Imperative
KO
KO

Present
I KO
you KO
he/she/it KO's
we KO
you KO
they KO

Preterite
I KO'd
you KO'd
he/she/it KO'd
we KO'd
you KO'd
they KO'd

Present Continuous
I am KO'ing
you are KO'ing
he/she/it is KO'ing
we are KO'ing
you are KO'ing
they are KO'ing

Present Perfect
I have KO'd
you have KO'd
he/she/it has KO'd
we have KO'd
you have KO'd
they have KO'd

Past Continuous
I was KO'ing
you were KO'ing
he/she/it was KO'ing
we were KO'ing
you were KO'ing
they were KO'ing

Past Perfect
I had KO'd
you had KO'd
he/she/it had KO'd
we had KO'd
you had KO'd
they had KO'd

Future
I will KO
you will KO
he/she/it will KO
we will KO
you will KO
they will KO

Future Perfect
I will have KO'd
you will have KO'd
he/she/it will have KO'd
we will have KO'd
you will have KO'd
they will have KO'd

Future Continuous
I will be KO'ing
you will be KO'ing
he/she/it will be KO'ing
we will be KO'ing
you will be KO'ing
they will be KO'ing

Present Perfect Continuous
I have been KO'ing
you have been KO'ing
he/she/it has been KO'ing
we have been KO'ing
you have been KO'ing
they have been KO'ing

Future Perfect Continuous
I will have been KO'ing
you will have been KO'ing
he/she/it will have been KO'ing
we will have been KO'ing
you will have been KO'ing
they will have been KO'ing

Past Perfect Continuous
I had been KO'ing
you had been KO'ing
he/she/it had been KO'ing
we had been KO'ing
you had been KO'ing
they had been KO'ing

Conditional
I would KO
you would KO
he/she/it would KO
we would KO
you would KO
they would KO

Past Conditional
I would have KO'd
you would have KO'd
he/she/it would have KO'd
we would have KO'd
you would have KO'd
they would have KO'd

Collins English Verb Tables © HarperCollins Publishers 2011

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

KO - a blow that renders the opponent unconscious

kayo, knockout

technical knockout, TKO - a knockout declared by the referee who judges one boxer unable to continue

blow - a powerful stroke with the fist or a weapon; "a blow on the head"

Translations

KO

A. N ABBR =knockout (KO's (pl)) → K.O. m, nocaut m

B. VT (KO'd (vb: pt, pp)) (gen) (Boxing) → dejar K.O., dejar fuera de combate

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

KO

[keɪˈəʊ]

abbr (=knock out)

n → K.-O. m

vt → mettre K.-O.

KO

n → K. o. m, → K.-o.-Schlag m

vt (Boxing) → k. o. schlagen; Jim is totally KO’d (inf) → Jim ist total außer Gefecht gesetzt (inf) → or total ausgeknockt (sl)

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

KO

k.o. [ˈkeɪˈəʊ]

1. n abbr (KO's (pl)) =knockout → K.O.

2. vt (KO'd (pt, pp)) =knock out → mettere k.o.