Search Dictionary
Definition of subtopic
subtopic
/ˈsʌbˌtɑː.pɪk/
sub · top · ic
Plural:subtopics
•Adjective:subtopical
subtopic Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
3
subtopic Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
A topic or subject that forms a smaller, subordinate part of a broader main topic in a discussion, lecture, or written work.
Example
"The professor divided the main lecture on climate change into several smaller subtopics, including ocean acidification and deforestation."
Synonyms
View all synonyms for subtopicCite this Entry
Wordmom. (2026). Definition of Subtopic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/subtopic