Synonyms of observant in English:

observant


See definition of observant

adjective

1‘lifeguards should be observant and stop risky situations before they start’

SYNONYMS
alert, sharp-eyed, sharp, eagle-eyed, hawk-eyed, with eyes like a hawk, keen-eyed, watchful, on the lookout, on the qui vive, on guard, attentive, vigilant, with one's eyes open, with one's eyes peeled, with one's eyes skinned, awake, heedful, mindful, focused, aware
informal beady-eyed, not missing a trick, on the ball
rare regardful
ANTONYMS

inattentive, dreamy

2‘an observant Jew’

SYNONYMS
practising, obedient, dutiful, conformist, conforming
committed, devout, orthodox, law-abiding