Definition of unsafe
: not safe: such asa : able or likely to cause harm, damage, or loss water that is unsafe to drink unsafe driving habits unsafe levels of leadb : not giving protection from danger, harm, or loss an unsafe vehicle unsafe working conditionsc : not protected from danger, harm, or loss feeling frightened and unsafed : likely to take risks : not careful unsafe drivers
First Known Use of unsafe
UNSAFE Defined for Kids
Definition of unsafe for Students
: exposed or exposing to danger People are unsafe on the streets. The bridge is unsafe for heavy trucks.
Seen and Heard
What made you want to look up unsafe? Please tell us where you read or heard it (including the quote, if possible).