Adjective
on topic (comparative more on topic, superlative most on topic)
Alternative form of on-topic
on-topic (comparative more on-topic, superlative most on-topic)
Related to the matter under discussion.
on topic
A government Web site provides free links to SEO Web sites with on-topic anchor text and people are offended. Source: Internet
Doing this will help us keep everything on-topic. Source: Internet