Definition of "topic" in English

adjective

1. topical

noun

1. Subject; theme; a category or general area of interest.

   • A society where a topic cannot be discussed, does not have free speech.
   • stick to the topic
   • an interesting topic of conversation
   • romance is a topic that frequently comes up in conversation

2. (Internet) Discussion thread.

3. (computing) A component similar to a message queue which supports multiple subscribers.

4. (music) A musical sign intended to suggest a particular style or genre.

5. (obsolete) An argument or reason.

6. (obsolete, medicine) An external local application or remedy, such as a plaster, a blister, etc.