maintopic
nounUK /ˈmeɪn ˈtɒpɪk/
US /ˈmeɪn ˈtɑːpɪk/
The main topic is the most important thing people are talking or learning about.
The main topic of today's class was animals that live in the sea.
RELATED WORDS
OTHER MEANINGS
2. The headline subject of a meeting or presentation.
The main topic of the meeting was how to keep the park clean.
3. The central idea of a book or story.
Friendship is the main topic of that story about two bears.
4. The most talked-about subject in the news.
The weather was the main topic on the news last night.