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Synonyms

subsection

American  
[suhb-sek-shuhn, suhb-sek-] / sʌbˈsɛk ʃən, ˈsʌbˌsɛk- /

noun

  1. a part or division of a section.

verb (used with object)

  1. to divide or partition into subsections.

subsection British  
/ sʌbˈsɛkʃən, ˈsʌbˌsɛkʃən /

noun

  1. a section of a section; subdivision

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of subsection

First recorded in 1615–25; sub- + section

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I’m sure if I looked hard enough, I could find some subsection of the dinosaur community where people are spatting over science or fighting about feathers and scales.

From Salon • Apr. 12, 2026

It's a dedicated subsection of the company's website that aims to demonstrate authority on the topic.

From BBC • Apr. 6, 2026

There’s a subsection of A-Listers in L.A. — true film nerds — who attend AMC showings frequently but also patronize local independent theaters.

From Los Angeles Times • Jul. 30, 2025

The videos of cars driving over highway subsection just minutes before it crumbled are chilling.

From Slate • Jun. 16, 2023

That tedious paragraph was filled with metadiscourse—verbiage about verbiage, such as subsection, review, and discussion.

From "The Sense of Style" by Steven Pinker

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.