alert

About 9.56 uses per million words.

Meaning

1. adjective Attentive; awake; on guard.
2. adjective brisk; nimble; moving with celerity.
3. noun An alarm.
4. noun A notification of higher importance than an advisory.
5. noun A state of readiness for potential combat.

   an airborne alert; ground alert

6. noun Synonym of bell (“bell character”).
7. verb To give warning to.

Similar words

open-eyed watchful argus-eyed aware vigilant qui vive wide-awake wakeful awake alive

Often followed by

to and for the in you us as them

Word family

alerted alerter alertest alerting alertly alertness alertnesses alerts