Synonyms and Antonyms of supplementary
1 available to supply something extra when needed the teacher's edition of the textbook comes with a lot of supplementary material Synonyms of supplementary accessorial, accessory, appurtenant, peripheral, supplemental, auxiliaryWords Related to supplementary backup, makeshift, substitute; added, additional, another, further; complementary, contributory; adjuvant, assistant, assisting, helping, supportive, tributary; secondary, subordinate, subservient, subsidiary; dispensable, excess, nonessential, superfluous, surplus, unessentialNear Antonyms of supplementary basic, fundamental, primary, prime; all-important, essential, imperative, indispensable, integral, necessary, needed, needful, required, requisite, vitalAntonyms of supplementary chief, main, principal
2 related to each other in such a way that one completes the other regards theology and philosophy as supplementary fields of study Synonyms of supplementary correlative, reciprocal, supplemental, complementaryWords Related to supplementary cooperative, mutual, symbiotic; collective, combined, common, communal, conjoint, joint, shared, unitedAntonyms of supplementary noncomplementary, nonreciprocal
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