adj

supplemental

suhp-lih-MEHN-tuhl

adj

Serving to supplement something; additional.

"The company offers supplemental health insurance."

"Congress passed a supplemental funding bill."

How to Use Supplemental

Learner’s notes

In plain EnglishExtra or additional, added on top of something already in place.

Easily confused with

supplementary →

Common pairings

supplemental insurance supplemental income supplemental funding

more supplemental comparative, supplementals plural, most supplemental superlative

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The company offers _____ health insurance.

From supplement + -al.

mental dental rental parental Oriental elemental accidental ornamental judgmental incidental monumental regimental