knock out

1. 1.

   eliminate

   “knock out a target”

   Broaderextinguish
2. 2.

   knock unconscious or senseless

   “the boxing champion knocked out his opponent in a few seconds”

   Synonymsknock coldkayo

   Broaderbeat
3. 3.

   destroy or break forcefully

   “The windows were knocked out”

   Broaderremove
4. 4.

   overwhelm with admiration

   “All the guys were knocked out by her charm”

   Broaderoverwhelm
5. 5.

   empty (as of tobacco) by knocking out

   “knocked out a pipe”

   Broaderempty

Questions about knock out

What does knock out mean?

knock out means "eliminate". That is the primary sense; the word has 5 in total, listed in full on this page.

What is another word for knock out?

Close synonyms include knock cold, kayo. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is knock out a common word?

knock out is banded "Common" — everyday vocabulary in speech and writing. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.