wake-up(redirected from being a wake-up)
Also found in: Idioms.
1. informal Austral an alert or intelligent person
2. be a wake-up to informal Austral to be fully alert to (a person, thing, action, etc)
1. an act or instance of waking up.
2. an act or instance of being awakened.
3. flicker 2.adj.
4. serving to wake one from sleep: I'd like a wake-up call at 6:00 a.m.
5. serving to arouse or excite: a wake-up call on the problems of pollution.