'on the lookout' definitions:

Synonyms of 'on the lookout'

From: Moby Thesaurus

all ears,
all eyes,
Argus-eyed,
aux aguets,
custodial,
eagle-eyed,
guarded,
hawk-eyed,
keen-eyed,
lidless,
observant,
on guard,
on the watch,
open-eyed,
prudent,
sharp-eyed,
sleepless,
vigilant,
wary,
watchful,
with open eyes

Words containing 'on the lookout'

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