Synonyms and Antonyms of supplemental
1 available to supply something extra when needed the new program will provide supplemental health insurance to thousands of workers Synonyms of supplemental accessorial, accessory, appurtenant, peripheral, auxiliary, supplementaryWords Related to supplemental 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 supplemental basic, fundamental, primary, prime; all-important, essential, imperative, indispensable, integral, necessary, needed, needful, required, requisite, vitalAntonyms of supplemental chief, main, principal
2 related to each other in such a way that one completes the other an astronomer who regards science and religion not as antithetical but as supplemental belief systems Synonyms of supplemental correlative, reciprocal, complementary, supplementaryWords Related to supplemental cooperative, mutual, symbiotic; collective, combined, common, communal, conjoint, joint, shared, unitedAntonyms of supplemental noncomplementary, nonreciprocal
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