Synonyms of supplemental

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supplemental

adjective

See Dictionary Definition

1

as in additional

available to supply something extra when needed

the new program will provide supplemental health insurance to thousands of workers

Synonyms & Similar Words

• additional
• auxiliary
• supplementary
• accessory
• peripheral
• accessorial
• added
• makeshift
• complementary
• appurtenant
• backup
• another
• further
• assistant
• supportive
• contributory
• surplus
• excess
• assisting
• subsidiary
• adjuvant
• subordinate
• substitute
• tributary
• superfluous
• secondary
• nonessential
• unessential
• dispensable
• helping
• subservient

Antonyms & Near Antonyms

• main
• basic
• primary
• principal
• chief
• necessary
• fundamental
• requisite
• essential
• prime
• integral
• vital
• required
• needed
• imperative
• needful
• indispensable
• all-important

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• main
• basic
• primary
• principal
• chief
• necessary
• fundamental
• requisite
• essential
• prime
• integral
• vital
• required
• needed
• imperative
• needful
• indispensable
• all-important

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2

as in supplementary

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 & Similar Words

• supplementary
• complementary
• reciprocal
• mutual
• collective
• combined
• correlative
• communal
• cooperative
• joint
• shared
• united
• symbiotic
• common
• conjoint

Antonyms & Near Antonyms

• nonreciprocal
• noncomplementary

• nonreciprocal
• noncomplementary