knockout

4 ENTRIES FOUND:

knock·out

noun \ˈnäk-ˌat\

Definition of KNOCKOUT

1
a :  the act of knocking out :  the condition of being knocked out
b (1) :  the termination of a boxing match when one boxer has been knocked down and is unable to rise and resume boxing within a specified time
(2) :  technical knockout
c :  a blow that knocks out an opponent
2
:  a sensationally striking, appealing, or attractive person or thing

First Known Use of KNOCKOUT

1887

knockout

adjective

Definition of KNOCKOUT

1
:  causing a knockout <a knockout blow>
2
:  sensationally striking, appealing, or attractive <a knockout dress>
3
:  having all or part of a gene eliminated or inactivated by genetic engineering <knockout mice predisposed to diabetes mellitus>

First Known Use of KNOCKOUT

1818

Related to KNOCKOUT

Synonyms
aesthetic (also esthetic or aesthetical or esthetical), attractive, beauteous, bonny (also bonnie) [chiefly British], comely, cute, drop-dead, fair, fetching, good, good-looking, goodly, gorgeous, handsome, beautiful, likely, lovely, lovesome, pretty, ravishing, seemly, sightly, stunning, taking, well-favored
Antonyms
grotesque, hideous, homely, ill-favored, plain, ugly, unaesthetic, unattractive, unbeautiful, uncomely, uncute, unhandsome, unlovely, unpleasing, unpretty, unsightly

knock·out

adjective \ˈnäk-ˌat\   (Medical Dictionary)

Medical Definition of KNOCKOUT

: having all or part of a gene eliminated or inactivated by genetic engineering <knockout mice predisposed to diabetes mellitus serve as animal models in the study of human diabetes>

Browse

Next Word in the Dictionary: knock out
Previous Word in the Dictionary: knock–on (adjective)
All Words Near: knockout

Seen & Heard

What made you want to look up knockout? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More