on topic

Definitions

Relevant to the subject or matter currently being discussed.

Pertaining directly to the main theme or focus of a conversation or text.

Examples

Please ensure that your comments remain on topic during the group discussion.

The professor appreciated that the student's question was strictly on topic.

Synonyms

relevant germane pertinent apropos to the point focused

Antonyms

irrelevant off-topic tangential extraneous beside the point unrelated