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 ==== === 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.