- hard, knockout, severe - very strong or vigorous; "strong winds"; "a hard left to the chin"; "a knockout punch"; "a severe blow"
Antonym: weak (indirect, via strong)
- smasher, stunner, knockout, beauty, ravisher, sweetheart, peach, lulu, looker, mantrap, dish - a very attractive or seductive looking woman
--1 is a kind of woman, adult female
- knockout, KO - a blow that renders the opponent unconscious
--2 is a kind of blow
--2 has particulars: technical knockout, TKODerived form: verb knock out2