plural topics
: someone or something that people talk or write about : subject
He is comfortable discussing a wide range of topics.
a popular/hot topic
topics such as health and fitness
—often + ofWhat is the topic of your speech?
a book on the topic of language
a topic of debate/discussion
The new boss has been the main topic of conversation.
Cite this Entry
“Topic.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/topic. Accessed 15 Apr. 2026.
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