The meaning of SUPPLEMENTARY is added or serving as a supplement : additional. How to use supplementary in a sentence.

If an angle is supplementary to another angle, it forms 180 ° when combined with it.

Supplementary definition: Also of the nature of or forming a supplement; additional.. See examples of SUPPLEMENTARY used in a sentence.

Supplementary things are added to something in order to improve it. ...the question of whether or not we need to take supplementary vitamins. Provide them with additional background or with …

Definition of supplementary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

supplementary, adj. & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Aug 7, 2025 · supplementary (comparative more supplementary, superlative most supplementary) Additional; added to supply what is wanted. quotations

Supplementary can be an important part of something or just extra support. The word supplement comes from the Latin supplementum for "something added to fix a deficiency" and the suffix …

Synonyms for SUPPLEMENTARY: auxiliary, additional, supplemental, accessory, peripheral, makeshift, accessorial, appurtenant; Antonyms of SUPPLEMENTARY: main, principal, chief, …

1. Also, supplemental. of the nature of or forming a supplement; additional. n. 2. a person or thing that is supplementary.