not harm a hair on (one's) head

not harm a hair on (one's) head

To not hurt or injure someone in even the slightest degree. They had better not harm a hair on your head, or I'll go to the police!
See also: hair, harm, head, not, on
Farlex Dictionary of Idioms.

not harm a hair of someone's head

not cause someone the slightest harm.
See also: hair, harm, head, not, of
Farlex Partner Idioms Dictionary
See also:
  • not harm a hair of someone's head
  • not harm/touch a hair of somebody's head
  • not touch a hair on (one's) head
  • slickum
  • tear one's hair, to
  • get in (one's) hair
  • get in somebody's hair
  • haven't seen hide nor hair of (someone or something)
  • haven't seen hide nor hair of someone/something
  • not see hide nor hair of somebody/something