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.

OBSERVE definition: to see, watch, perceive, or notice. See examples of observe used in a sentence.

OBSERVE definition: 1. to watch carefully the way something happens or the way someone does something, especially in…. Learn more.

1. to see, watch, or notice. 2. to regard with attention, esp. so as to see or learn something. 3. to watch, view, or note for a scientific, official, or other special purpose: to observe an eclipse. 4. to state by …

Dec 30, 2025 · observe (third-person singular simple present observes, present participle observing, simple past and past participle observed) (transitive) To notice or view, especially carefully or with …

If you observe that something is the case, you make a remark or comment about it, especially when it is something you have noticed and thought about a lot.

There are 20 meanings listed in OED's entry for the verb observe, ten of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

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.

To be or become aware of, especially through careful and directed attention; notice. Observed a car leaving the property. To watch attentively. Observe a child's behavior. To make a systematic or …

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 …