(intransitive, transitive) To have or express an opinion; to state as an opinion; to suppose, consider (that). / (intransitive) To give one's formal opinion (on or upon something).

(biochemistry) Any of a class of organic compounds, derived from amino acids, found in some plant tumours

Third-person singular simple present indicative form of opine

simple past tense and past participle of opine

One who opines.

plural of opiner

The state or process of opining.

present participle of opine

The act of giving one's opinion.

plural of opination