Added 9 October 2026
subsidiary
/sʌbˈsɪ.di.əɹ.i/ noun
Latin root: subsidiarius Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about subsidiary at Wordnik → Where our words come from →
- An assistant subject to the authority or control of another.
- A company that is completely controlled by another company.
adjective
-
Functioning in a supporting capacity.
the main library and its auxiliary branches
Origin
From Middle French subsidiaire, from Latin subsidiarius (“belonging to a reserve”).
From Wiktionary, via Kaikki.org (CC BY-SA)