off-topic

[awf-top-ik, of-] /ˈɔfˈtɒp ɪk, ˈɒf-/
adjective
1.
not on the main topic; irrelevant to the discussion:
to delete off-topic comments on a blog.
Abbreviation: OT.
Contemporary definitions for off-topic
adjective

differing from the main topic; not relevant

Word Origin

1982-87