Wake-up Call — definition

1. wake-up call (Noun)

wake-up call (Noun) — A warning to take action concerning something that was overlooked or neglected. ex. "the bombing was a wake-up call to strengthen domestic security"

wake-up call (Noun) — A telephone call that you request be made a specific time in order to wake you up at that time (especially in hotels). ex. "she left a wake-up call for 7 a.m."

call phone call telephone call warning