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1. Very strong or vigorous
   "a knockout punch";
   - hard, severe

1. A blow that renders the opponent unconscious
   - KO, kayo [informal]
    
2. [informal] An outstanding example of its kind
   "his roses were knockouts";
   - beauty, beaut [informal], lulu [informal], killer [informal], blinder [Brit, informal], cracker [Brit, informal]
    
3. [informal] A very attractive or seductive looking woman
   - smasher [Brit, informal], stunner [informal], beauty, ravisher, sweetheart, peach [informal], lulu [informal], looker [informal], mantrap [informal], dish [Brit, informal], patootie [US, informal], babe [informal], honey [informal], hotty [informal], fox [informal], hottie [informal]

1. Eliminate
   "knock out a target"
    
2. Knock unconscious or senseless
   "the boxing champion knocked out his opponent in a few seconds";
   - knock cold, kayo [informal]
    
3. Destroy or break forcefully
   "The windows were knocked out"
    
4. Overwhelm with admiration
   "All the guys were knocked out by her charm"
    
5. Empty (as of tobacco) by knocking out
   "knocked out a pipe"

1. A contest of several rounds in which the loser in each round is eliminated

Derived forms: knocks out, knocked out, knockouts, knocking out

See also: strong

Type of: adult female, beat, beat up, blow, do away with, eliminate, empty, example, exemplar, extinguish, get rid of, good example, model, overcome, overpower, overtake, overwhelm, remove, sweep over, take, take away, withdraw, woman, work over

Encyclopedia: Knockout