at the drop of a hat

On zero notice

At the drop of a hat means immediately and without hesitation, suggesting eagerness or willingness to act on the slightest pretext: She'd quit her job at the drop of a hat if something better came along.

The phrase evokes a time when dropping a hat signaled the start of a race or fight—no preparation needed, just go.

Opposites
speed of action/response

at the drop of a hateventually

At a later time

in due course · slowly but surely · at a snail's pace · in good time · when hell freezes over

deliberation/planning

at the drop of a hatmethodically

In an organized manner

cautiously · circumspectly · prudently · judiciously · hesitatingly

willingness/readiness

at the drop of a hatreluctantly

With obvious unwillingness

grudgingly · kicking and screaming · dragging one's feet · begrudgingly · when pigs fly

Family

drop, drops, dropped, dropping, dropper, droplet, hatted, hatter

Familiarity
Top 100,000
Profile
Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G