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

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

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

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.

sup•ple•men•ta•ry (sup′lə men′ tə rē), adj., n., pl. -ries. adj. Also, supplemental. of the nature of or forming a supplement; additional. n. a person or thing that is supplementary.

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