nounπShareThe act of making someone unconscious, or at least unable to come back on their feet within a certain period of time; a TKO."The boxer scored a knockout on his opponent."sportactionbodymedicineachievementeventChat with AIVocabulary GamePractice Reading
nounπShareThe deactivation of anything."The sudden power outage was a knockout for the school's computer system. "actionabilityoutcomeChat with AIVocabulary GamePractice Reading
nounπShareSomething wildly popular, entertaining, or funny."That comedian's impression of the principal was a total knockout at the school talent show. "entertainmentstyleChat with AIVocabulary GamePractice Reading
nounπShareA very attractive person, especially a beautiful woman."That new student, a total knockout, is already a favorite among the teachers. "appearancepersonChat with AIVocabulary GamePractice Reading
nounπShareA partially punched opening meant for optional later removal."They left a knockout in the panel for running extra wires someday."technicalpartbuildingChat with AIVocabulary GamePractice Reading
nounπShareThe deactivation of a particular gene."The scientist's research resulted in a knockout of the gene responsible for producing melanin. "biologymedicineorganismbiochemistryChat with AIVocabulary GamePractice Reading
nounπShareA creature engineered with a particular gene deactivated."The scientists created a knockout mouse to study the effects of the gene on bone growth. "organismbiologyscienceanimalmedicinephysiologybiochemistryChat with AIVocabulary GamePractice Reading
nounπShareAn event where a foreground color causes a background color not to print."The bright yellow highlighter caused a knockout on the beige-colored paper, making the words underneath disappear. "technicalcomputingcolormediaChat with AIVocabulary GamePractice Reading
nounπShareA tournament in which a team or player must beat the opponent in order to progress to the next round."the knockout stages of the competition"sportgameeventChat with AIVocabulary GamePractice Reading
nounπShareA simple game for two or more players, derived from basketball."The kids played a knockout game during their recess break. "gamesportentertainmentChat with AIVocabulary GamePractice Reading
nounπShareA knockout auction.""The tech company's aggressive bid triggered a knockout auction, quickly eliminating all but one competitor." "businesseconomyChat with AIVocabulary GamePractice Reading
adjectiveπShareRendering someone unconscious."He delivered a knockout blow."bodymedicineactionChat with AIVocabulary GamePractice Reading
adjectiveπShareAmazing; gorgeous; beautiful."You should have seen her knockout eyes."appearanceChat with AIVocabulary GamePractice Reading
adjectiveπShareDesignating an organism in which a particular gene has been removed or deactivated."The scientist studied the knockout mice to see how the absence of that gene affected their development. "biologyorganismbiochemistryChat with AIVocabulary GamePractice Reading
adjectiveπShareCausing elimination from a competition"The opponent's powerful punch was a knockout blow, eliminating him from the boxing competition. "sportachievementChat with AIVocabulary GamePractice Reading