Synonyms of observe in English:

observe


See definition of observe

verb

1‘she observed that almost all the chairs were occupied’

SYNONYMS
notice, see, note, perceive, discern, remark, spot, detect, discover, distinguish, make out
literary espy, descry, behold
ANTONYMS

overlook, fail to see

2‘Rob stood in the hall, from where he could observe the happenings on the street’

SYNONYMS
watch, see, look at, eye, contemplate, view, survey, regard, witness, keep an eye on, scrutinize, keep under observation, keep watch on, keep under surveillance, monitor, keep under scrutiny, watch like a hawk, keep a weather eye on, spy on, check out, reconnoitre
informal get a load of, keep tabs on, keep a tab on, case, keep a beady eye on
British informal clock, take a butcher's at, take a dekko at, take a gander at, take a shufti at, recce
North American informal eyeball
archaic twig
rare surveil

3‘‘You look tired,’ she observed’

SYNONYMS
comment, remark, say, mention, note, declare, announce, state, utter, pronounce, interpose, interject
formal opine

4‘the European Council called on the parties involved to observe the ceasefire’

SYNONYMS
comply with, abide by, keep, obey, adhere to, conform to, heed, honour, respect, be heedful of, pay attention to, follow, acquiesce in, consent to, accept, defer to, fulfil, stand by
ANTONYMS

disregard, ignore, break

5‘relations gathered to observe the funeral rites’

SYNONYMS
participate in, partake in, be present at, celebrate, keep
commemorate, solemnize, mark, memorialize, remember, recognize