The meaning of OBSERVE is to conform one's action or practice to (something, such as a law, rite, or condition) : comply with. How to use observe in a sentence. Synonym Discussion of Observe.

1. To take notice: stood by the window observing. 2. To say something; make a comment or remark: observed upon the unusual weather. 3. To watch or be present without participating actively: We …

To observe is to mark or be attentive to something seen, heard, etc.; to consider carefully; to watch steadily: to observe the behavior of birds, a person's pronunciation.

observed adjective (SHOWN) If something is observed in a particular way, it is shown or expressed in that way:

Something that's observed is seen or noted, especially as part of a scientific investigation. An observed side effect of a medication is one that's been scientifically proven.

To observe is to mark or be attentive to something seen, heard, etc.; to consider carefully; to watch steadily: to observe the behavior of birds, a person's pronunciation.

verb 1. (tr; may take a clause as object) to see; perceive; notice I observed that he was trembling 2. (when tr, may take a clause as object) to watch (something) carefully; pay attention to (something)

observed, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

“The paint,” she observed [= remarked, said], “is already starting to peel.” Looking around at the shuttered houses, he observed [= commented] that the island was entirely different in the winter.

[transitive] observe something to obey rules, laws, etc. Will the rebels observe the ceasefire? The crowd observed a minute's silence (= were silent for one minute) in memory of those who had died.