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.

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

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

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

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

Discover everything about the word "SUPPLEMENTARY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

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 …

When something is supplementary, it is meant to supplement or bolster the existing material or concept, filling in gaps, expanding upon the core idea, or offering further assistance.

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