To make unconscious or exhausted
To strike down
  1. strike senseless
  2. render unconscious
  3. knock one out of one's senses
  4. knock down for the count
  5. knock cold
  6. kayo
  7. -ko
  8. knock-for-a-loop
  9. put a silencer on
  10. put out like a light
  11. flatten
  12. lay out
  1. coldcock
  2. do in
  3. hamstring
  4. knock senseless

Words Related to Knock Out

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.