idioms involving “hair”

Split hairs

To emphasize minor or unimportant differences

“Both parties were ready to sign the agreement last week but the lawyers are still splitting hairs.”

Within a hair's breadth

To come extremely close to doing something

“The sale manager came within a hair's breath of resigning when sales were flat for the second year in a row.”

Let one's hair down

To relax, not worry about behaving correctly

“Everybody lets their hair down at the company's summer barbecue.”

Out of someone's hair

To get someone who is a nuisance to leave

“As soon as we get these government auditors out of our hair, we can begin to work on next year's budget.”

Tear one's hair out

To be very frustrated or upset about something

“The traffic was at a standstill for over an hour so drivers were ready to tear their hair out.”