subsidiary
Americanadjective
-
serving to assist or supplement; auxiliary; supplementary.
-
subordinate or secondary.
subsidiary issues.
-
of or relating to a subsidiary.
noun
-
subsidiaries
plural
-
a subsidiary thing or person.
-
Music. a subordinate theme or subject.
adjective
-
serving to aid or supplement; auxiliary
-
of lesser importance; subordinate in function
noun
-
a person who or thing that is subsidiary
-
short for subsidiary company
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of subsidiary
1535–45; < Latin subsidiārius, equivalent to subsidi ( um ) ( see subsidy) + -ārius -ary
Explanation
If a company belongs to another company, then the owned company is a subsidiary. When a large company bought your small business, you became a subsidiary. It still hurts to call them the parent company, since you publish novels and they make toilet paper. The adjective form of subsidiary describes something that is of secondary importance or that functions in a supporting capacity. In addition to running the band program, you're a member of several subsidiary committees like the fund raising committee and the hospitality committee. Traffic on the road was light when you drove outside the city, but as more subsidiary roads joined with the main one, traffic quickly became congested.
Vocabulary lists containing subsidiary
Power Prefix: sub-
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
100 SAT words Beginning with "S"
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Do Video Games Cause Violence?
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
See Examples For:
And next to the opening Warner Bros. logo, there’s an asterisk that reads, “A wholly owned subsidiary of the Acme Corporation.”
From Los Angeles Times ● Aug. 26, 2026
Waymo, a subsidiary of Google parent Alphabet, will in the coming weeks start mapping the city's streets and conducting tests with specialist drivers at the wheel.
From Barron's ● Aug. 25, 2026
XPeng said separately Monday that its Dogotix subsidiary entered an agreement to raise more than $900 million, with backing from investors including Tencent and Alibaba.
From The Wall Street Journal ● Aug. 24, 2026
Redfin, a subsidiary of Rocket Cos., said the resolution is a significant win for the company, as well as consumers across the country.
From The Wall Street Journal ● Aug. 24, 2026
For one week all of Hyper Base had stopped dead, barring some paper work on the subsidiary asteroids of the group.
From "I, Robot" by Isaac Asimov
![]()
Disney and TikTok have agreed a deal which will allow creators to use clips from Disney films, including its subsidiaries, in their videos.
From BBC ● Aug. 5, 2026
All three of their adult children have worked at SK subsidiaries.
From The Wall Street Journal ● Jul. 23, 2026
It has pressed ahead with layoffs in subsidiaries including in the Spanish city of Barcelona, where staff have walked out on strike over the job cuts in recent weeks.
From Barron's ● Jul. 23, 2026
The company is based in Hawthorne, CA and has subsidiaries in Luxembourg and the United States.
From MarketWatch ● Jul. 22, 2026
But in an emergency, all six subsidiaries must be mobilized immediately and simultaneously.
From "I, Robot" by Isaac Asimov
![]()
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.