n. | 1. | One who observes, or pays attention to, anything; especially, one engaged in, or trained to habits of, close and exact observation; |
2. | One who keeps any law, custom, regulation, rite, etc.; one who conforms to anything in practice. | |
3. | One who fulfills or performs; | |
4. | A sycophantic follower. |
Noun | 1. | observer - a person who becomes aware (of things or events) through the senses |
2. | observer - an expert who observes and comments on something Synonyms: commentator |