The word "opine" is a verb that means to express an opinion about something, either formally or informally. When someone opines, they state what they think or believe about a topic.

Dictionary Meaning

• To express or state an opinion.

• Used both with or without direct objects (for example: "She opined that..." or "He opined on the issue").

Examples in Context

• A movie critic might opine about the best films of the year.

• You can opine on any subject you like.

• "Power grows from the barrel of a gun," opined Mao.

Additional Note

"Opine" sometimes appears in scientific context referring to a class of chemical compounds found in plants (opines), but its primary usage in conversational and formal English is as a verb meaning "to express an opinion".