KO

See also: Appendix:Variations of "ko"

English

Etymology

Initialism of knock out. Initialism of kick-off.

Noun

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

Verb

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.

Translations

to knock somebody out

• Finnish: tyrmätä (fi)
• Hungarian: kiüt (hu), KO-zik
• Portuguese: nocautear (pt) (Brazil)

Anagrams

• O. K., OK, OK., Ok, Ok., ok

Chinese

Etymology

From English KO.

Pronunciation

• Cantonese (Jyutping): kei¹ ou¹

---

• Cantonese
  • (Standard Cantonese, Guangzhou–Hong Kong)⁺
    • Jyutping: kei¹ ou¹
    • Yale: kēi ōu
    • Cantonese Pinyin: kei¹ ou¹
    • Guangdong Romanization: kéi¹ ou¹
    • Sinological IPA ^(key): /kʰei̯⁵⁵ ou̯⁵⁵/

Verb

KO

1. (transitive, informal) to finish

Japanese

Etymology

Borrowed from English KO.

Noun

KO(ケーオー) • (kē-ō) 

1. (boxing) knockout

Verb

KO(ケーオー)する • (kē-ō suru) suru (stem KO(ケーオー)し (kē-ō shi), past KO(ケーオー)した (kē-ō shita))

1. (boxing) to knock out

Conjugation

Conjugation of "KOする" (See Appendix:Japanese verbs.)

Katsuyōkei ("stem forms")
Mizenkei ("imperfective")	KOし	ケーオーし	kē-ō shi
Ren’yōkei ("continuative")	KOし	ケーオーし	kē-ō shi
Shūshikei ("terminal")	KOする	ケーオーする	kē-ō suru
Rentaikei ("attributive")	KOする	ケーオーする	kē-ō suru
Kateikei ("hypothetical")	KOすれ	ケーオーすれ	kē-ō sure
Meireikei ("imperative")	KOせよ¹ KOしろ²	ケーオーせよ¹ ケーオーしろ²	kē-ō seyo¹ kē-ō shiro²
Key constructions
Passive	KOされる	ケーオーされる	kē-ō sareru
Causative	KOさせる KOさす	ケーオーさせる ケーオーさす	kē-ō saseru kē-ō sasu
Potential	KOできる	ケーオーできる	kē-ō dekiru
Volitional	KOしよう	ケーオーしよう	kē-ō shiyō
Negative	KOしない	ケーオーしない	kē-ō shinai
Negative continuative	KOせず	ケーオーせず	kē-ō sezu
Formal	KOします	ケーオーします	kē-ō shimasu
Perfective	KOした	ケーオーした	kē-ō shita
Conjunctive	KOして	ケーオーして	kē-ō shite
Hypothetical conditional	KOすれば	ケーオーすれば	kē-ō sureba
¹ Written imperative ² Spoken imperative

Extended conjugation of kē-ō suru "KOする" (Class: sa-gyō henkaku "s-irregular")
(See Appendix:Japanese verbs and Japanese conjugation)
Ren’yōkei ("continuative form")	KOし [kē-ō shi]
Rentaikei ("attributive form")	KOする [kē-ō suru]
	Positive	Negative
Conjunctive (te-form)	KOして [kē-ō shite]	KOしないで [kē-ō shinai de] KOしなくて [kē-ō shinakute]
Non-past / Imperfective
	Positive	Negative
Plain	KOする [kē-ō suru]	KOしない [kē-ō shinai]
Polite	KOします [kē-ō shimasu]	KOしません [kē-ō shimasen]
Past / Perfective
	Positive	Negative
Plain	KOした [kē-ō shita]	KOしなかった [kē-ō shinakatta]
Polite	KOしました [kē-ō shimashita]	KOしませんでした [kē-ō shimasen deshita]
Passive
Verb stem	KOされ [kē-ō sare]
	Positive	Negative
Plain	KOされる [kē-ō sareru]	KOされない [kē-ō sarenai]
Polite	KOされます [kē-ō saremasu]	KOされません [kē-ō saremasen]
Past	KOされた [kē-ō sareta]	KOされなかった [kē-ō sarenakatta]
Polite past	KOされました [kē-ō saremashita]	KOされませんでした [kē-ō saremasen deshita]
Causative
Verb stem	KOさせ [kē-ō sase]
	Positive	Negative
Plain	KOさせる [kē-ō saseru] short form: KOさす [kē-ō sasu]	KOさせない [kē-ō sasenai]
Polite	KOさせます [kē-ō sasemasu]	KOさせません [kē-ō sasemasen]
Past	KOさせた [kē-ō saseta]	KOさせなかった [kē-ō sasenakatta]
Polite past	KOさせました [kē-ō sasemashita]	KOさせませんでした [kē-ō sasemasen deshita]
Potential
Verb stem	KOでき [kē-ō deki]
	Positive	Negative
Plain	KOできる [kē-ō dekiru]	KOできない [kē-ō dekinai]
Polite	KOできます [kē-ō dekimasu]	KOできません [kē-ō dekimasen]
Past	KOできた [kē-ō dekita]	KOできなかった [kē-ō dekinakatta]
Polite past	KOできました [kē-ō dekimashita]	KOできませんでした [kē-ō dekimasen deshita]
Imperative
	Positive	Negative
Meireikei / Firm instruction	written: KOせよ [kē-ō seyo], spoken: KOしろ [kē-ō shiro]	—
Polite	KOしてください [kē-ō shite kudasai]	KOしないでください [kē-ō shinai de kudasai]
-nasai form	KOしなさい [kē-ō shinasai]	—
Volitional / Presumptive
	Positive	Negative
Plain	KOしよう [kē-ō shiyō]	—
Polite	KOしましょう [kē-ō shimashō]	—
Conditional
	Positive	Negative
Hypothetical / Provisional	KOすれば [kē-ō sureba]	KOしなければ [kē-ō shinakereba] colloquial: KOしなきゃ [kē-ō shinakya]
-tara form	KOしたら [kē-ō shitara]	KOしなかったら [kē-ō shinakattara]
Causative passive
Verb stem	KOさせられ [kē-ō saserare]
	Positive	Negative
Plain	KOさせられる [kē-ō saserareru]	KOさせられない [kē-ō saserarenai]
Polite	KOさせられます [kē-ō saseraremasu]	KOさせられません [kē-ō saseraremasen]
Past	KOさせられた [kē-ō saserareta]	KOさせられなかった [kē-ō saserarenakatta]
Polite past	KOさせられました [kē-ō saseraremashita]	KOさせられませんでした [kē-ō saseraremasen deshita]
Desiderative (-tai form)
	Positive	Negative
Plain	KOしたい [kē-ō shitai]	KOしたくない [kē-ō shitaku nai]
	For other desiderative forms, see たい#Inflection.
Progressive action and current state (-te iru form)
	Positive	Negative
Plain	KOしている [kē-ō shite iru] contraction: KOしてる [kē-ō shiteru]	KOしていない [kē-ō shite inai] contraction: KOしてない [kē-ō shitenai]
Polite	KOしています [kē-ō shite imasu]	KOしていません [kē-ō shite imasen]
Past	KOしていた [kē-ō shite ita]	KOしていなかった [kē-ō shite inakatta]
Polite past	KOしていました [kē-ō shite imashita]	KOしていませんでした [kē-ō shite imasen deshita]
Other forms and constructions Prohibitive KOするな [kē-ō suru na] Archaic or classical negative KOせぬ [kē-ō senu] ¹ Archaic attributive negative -ぬ contraction (colloquial or dialectal negative) KOせん [kē-ō sen] Negative continuative KOせず [kē-ō sezu] ¹ (〜に): without 〜ing Representative / Listing examples KOしたり [kē-ō shitari] ¹ Archaic form, now mostly used in set phrases, written language and formal speech.

References

• “KO”, in デジタル大辞泉 [Digital Daijisen]‎^[1] (in Japanese), Tōkyō: Shogakukan, updated roughly every four months
• “KO” in Weblio Dictionary.

Portuguese

Etymology

Orthographic borrowing from English KO

Pronunciation

• (Brazil) IPA^(key): /ˌkeˈɔ/, /ˌkeˈo/

• (Portugal) IPA^(key): /ˌkeˈɔ/

Adjective

KO m or f (plural KOs)

1. unconscious

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

Noun

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.

Swedish

Proper noun

KO c (genitive KO:s)

1. Abbreviation of Konsumentombudsmannen (“The Consumer Ombudsman”); a konsumentombudsman (“consumer ombudsman”).
   • 2023 December 8, Sara Johansson, “KO söker praxis – för bedrägeridrabbads talan mot Nordea [CO seeks precedent – on behalf of fraud victims' claims against Nordea]”, in Dagens Juridik:

     I och med den nya stämningen ska domstolen, enligt KO, pröva om banken i sin egenskap av avtalspart till den drabbade konsumenten har gjort vad som ankommer på banken för att skydda konsumentens pengar.

     With the new lawsuit, the court is to assess, according to the Consumer Ombudsman, whether the bank, in its capacity as a contracting party to the affected consumer, has fulfilled its obligations to protect the consumer's money.

   • 2024 April 25, Erik Söderholm, “DNB svarar på kritiken: ”Mycket förvånade” [DNB responds to the criticism: “Very surprised”]”, in Vi Bilägare:

     Men DNB håller inte alls med om KO:s bedömning, uppger bankens presskontakt […]

     However, DNB does not agree at all with the Consumer Ombudsman’s assessment, according to the bank's press contact, […]