subtopic
noun
sub·top·ic
ˈsəb-ˌtä-pik 
variants
or sub-topic
plural subtopics or sub-topics
: a topic that is part of a broader or more general topic
… each topic branches off into subtopics. For example, within the Asia area you may find separate discussion threads about Vietnam, Thailand, Malaysia and Bali.—
John Eckhouse
John EckhouseExamples of subtopic in a Sentence
Recent Examples on the Web
Utilizing Feedback To Determine The Best Products And Transactions To Offer The Most Relevant
AI can predict positive and negative subtopics in your customer feedback.
—Zehra Cataltepe, Forbes.com, 31 July 2025
Instead of just looking at the whole question, AI Mode breaks queries down into subtopics and generates additional searches based on those subtopics to provide a more specific answer.
—Cnn.com Wire Service, Mercury News, 21 May 2025
There are articles broken out by brand and by subtopic, thousands of words devoted to the intricacies of scraping, stacking, sorting, eco-washing, half loads, knives, pots, plastic, and more.
—Ellen Cushing, The Atlantic, 14 Apr. 2025
The supporting child pieces each target specific subtopics that contribute to solving the main issue.
—Renae Gregoire, Forbes, 3 Mar. 2025
This framework resembles a bicycle wheel and essentially has a main topic as the wheel’s center and various relevant subtopics as the spokes.
—Alexandra Harrell, Sourcing Journal, 3 Sep. 2019
Examples are automatically compiled from online sources to
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Zehra Cataltepe, Forbes.com, 31 July 2025
Instead of just looking at the whole question, AI Mode breaks queries down into subtopics and generates additional searches based on those subtopics to provide a more specific answer.
—Cnn.com Wire Service, Mercury News, 21 May 2025
There are articles broken out by brand and by subtopic, thousands of words devoted to the intricacies of scraping, stacking, sorting, eco-washing, half loads, knives, pots, plastic, and more.
—Ellen Cushing, The Atlantic, 14 Apr. 2025
The supporting child pieces each target specific subtopics that contribute to solving the main issue.
—Renae Gregoire, Forbes, 3 Mar. 2025
This framework resembles a bicycle wheel and essentially has a main topic as the wheel’s center and various relevant subtopics as the spokes.
—Alexandra Harrell, Sourcing Journal, 3 Sep. 2019
Cite this Entry
“Subtopic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subtopic. Accessed 31 Oct. 2025.
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