wake-up call, n.
a telephone call that you request be made a specific time in order to wake you up at that time (especially in hotels)
<noun.communication>
wake-up call
sample sentences
"she left a wake-up call for 7 a.m."
semantic pointers
hypernym
a warning to take action concerning something that was overlooked or neglected
<noun.communication>
wake-up call
sample sentences
"the bombing was a wake-up call to strengthen domestic security"
semantic pointers
hypernym