English adjective: supplementary | |||
1. | supplementary functioning in a supporting capacity | ||
Samples | The main library and its auxiliary branches. | ||
Synonyms | auxiliary, subsidiary, supplemental | ||
Similar | secondary | ||
Antonyms | primary | ||
2. | supplementary added to complete or make up a deficiency | ||
Samples | Produced supplementary volumes. | ||
Synonyms | supplemental | ||
Similar | additive | ||
Antonyms | subtractive | ||