18 topic synonyms include subject, subject matter, theme, issue, matter, point, talking point, question, concern, and argument. Topic is a noun, and its antonyms are digression and off-topic. Here are some additional synonyms for "topic" with example sentences.
18 other ways to say topic.
He introduced a new topic.
I’m not qualified to comment on that topic.
Let’s change the topic now.
She felt zilch interest in the topic.
The topic is quite interesting.
What’s the main topic today?