harm a hair on someone's head

English

Alternative forms

harm a hair of someone's head

Verb

harm a hair on someone's head (third-person singular simple present harms a hair on someone's head, present participle harming a hair on someone's head, simple past and past participle harmed a hair on someone's head)

(figuratively) To hurt someone.
Synonym: touch a hair on someone's head

Usage notes

Chiefly used in negative sentences, as an admonition: a person should not be hurt in the slightest degree, or else there will be consequences.

Translations

Translations

Finnish: kajota (fi) (+ illative)
Polish: włos z głowy nie spada impf (literally “a hair doesn't fall from [someone's] head”), włos z głowy nie spadnie (pl) pf (literally “a hair won't fall from [someone's] head”)

Further reading

“harm a hair on someone's head”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.
“harm a hair on someone's head” in Longman Dictionary of Contemporary English, Longman.