Definition of at the first sign
- The bartender called the police at the first sign of trouble.
- At the first sign of spring she planted annuals in her flower beds.
: preceding all others in time, order, or importance: such as
: being the lowest forward gear or speed of a motor vehicle
: before another in time, space, or importance
: in the first place
: for the first time
: one that is number one in a series — see Table of Numbers
: something that is first: such as
: the first occurrence or item of a kind
What made you want to look up at the first sign? Please tell us where you read or heard it (including the quote, if possible).