lose his head

Lose composure completely

To lose his head is to lose composure or self-control, typically under pressure or strong emotion: He lost his head and said things he regretted.

The phrase suggests abandoning reason for impulse.

Less commonly, it means to become infatuated: He completely lost his head over her.

The pronoun varies: lose my head, lose her head, lose one's head.

Related

go off the deep end · disconcert · flustered · unnerve · flip one's lid · hysteria · blow a fuse · rashness · irrationality · panic · misjudgment · recklessness · fly off the handle · explode · snap · meltdown · rattle · fear

Opposites
emotional composure

lose his headstay calm

Remain unruffled

hold it together · stay cool · keep a stiff upper lip · chill out · stay grounded

decision-making quality under pressure

lose his headthink straight

Maintain mental clarity

stay focused · stay sharp

Family

lose, loses, lost, losing, loser, losers, loss, losses, head

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Negative · Everyday, not technical · Rated PG