Pronunciation: /ɒn ðə ˈlʊkˌaʊt fɔr/
preposition A word that shows the relationship between a noun (or pronoun) and other words in a sentence. In this case, 'on' indicates the position or location of being 'the lookout for'.
A1 I am on the lookout for my lost keys.
A2 She is always on the lookout for new opportunities.
B1 The security guard is on the lookout for any suspicious activity.
B2 As a detective, he is constantly on the lookout for clues.
C1 The journalist is on the lookout for breaking news stories.
C2 The researcher is on the lookout for groundbreaking discoveries in the field of science.
formal The security team is constantly on the lookout for any suspicious activity.
informal I'm always on the lookout for good deals at the grocery store.
slang The detectives are on the lookout for the perp in the neighborhood.
figurative She's always on the lookout for new opportunities to grow her business.
was on the lookout for
are on the lookout for
more on the lookout for
most on the lookout for
is on the lookout for
will be on the lookout for
has been on the lookout for
is being on the lookout for
on the lookout for
very on the lookout for
to be on the lookout for
being on the lookout for
on the lookout for