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supplementary
adjective
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How to pronounce supplementary:

Definition of supplementary:

supplementary (adjective):
used as an extra or supplement
functioning in a supporting capacity.
added or serving as a supplement additional

Synonyms for supplementary:

peripheralaccessoryancillarysubsidiaryaccompanyingadditionalauxiliarycomplementarysecondary

Antonyms for supplementary:

rudimentarybodytrueheadprerequisitesalienteventfulstaplebigquintessential
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