80 entries under expression topic. ×

7
lookout man(noun, idiom)
6
observation post(noun, idiom)
4
lookout station(noun, idiom)
3
eagle eye(noun, control, place, watch)
3
observation tower(noun, idiom)
3
watch and ward(noun, idiom, act, awareness)
3
weather eye(noun, place, watch, guard)
2
peeled eye(bug, scrutiny, investigation, monitor)
1
body mike(bug, scrutiny, investigation, monitor)
1
catbird seat(noun, place, watch, guard)
1
close observation(bug, scrutiny, investigation, monitor)
1
cover up(verb, phrasal verb, cover, keep)
1
double agent(noun, plant, agent, operative)
1
espionage agent(noun, plant, agent, operative)
1
foreign agent(noun, plant, agent, operative)
1
inside agent(noun, plant, agent, operative)
1
keep an eye on(verb, idiom, phrasal verb, cover)
1
keep in view(verb, idiom, cover, keep)
1
keep under surveillance(verb, idiom, cover, keep)
1
look after(verb, phrasal verb, cover, keep)
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APASmart Define. (2015). lookout thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/lookout/thesaurus/synonyms
ChicagoSmart Define. 2015. "lookout thesaurus" https://smartdefine.org/lookout/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, lookout thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/lookout/thesaurus/synonyms>.
MLASmart Define. "lookout thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/lookout/thesaurus/synonyms>