Synonyms for Strike hard:

• n.

  •knock (noun)
  • knock.

• v.

  •Other relevant words: (verb)
  • strike.

• Other synonyms:

  •Other relevant words (noun):
  • sink in,
  • strike home,
  • knock over,
  • tell,
  • smite,
  • make an impression,
  • sock,
  • impress,
  • impress forcibly,
  • knock cold,
  • HIT,
  • rock,
  • affect,
  • traumatize.