observe
To watch carefully and attentively to learn or notice.
Word facts
Definition
To observe means to watch something carefully and attentively, often to learn from it. It also means to comply with a rule or custom, or to make a remark.
Usage: Observe implies careful, attentive watching. Notice is more casual — something catches your attention. Watch implies sustained attention, often to something moving.
Example sentences
Scientists observed the eclipse through special protective glasses.
She observed that the students were more engaged when working in small groups.
We are asked to observe a minute of silence.
Synonyms
Antonyms
Word family
From Latin observare ('to watch over, note'), from ob- ('over') + servare ('to watch, keep'). To observe is literally to keep watch over something.
Observe = ob + serve. You serve your understanding by observing — watching carefully to learn.
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FAQ
Questions people ask
What is the noun form of observe?
Observation. Example: Her observation of animal behaviour led to an important discovery.
Can observe mean to say or remark?
Yes, in a formal or literary context. 'She observed that the room was unusually quiet' means she noted or remarked on it.