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supplemental

B2
adjective

Pronunciation

UK

  • /sˌʌplɪmˈɛntəl/

US

  • /ˌsəpləˈmɛnəl/
  • /ˌsəpləˈmɛntəl/

Description

Think of a chef making a soup. The main ingredients matter most, but a sprinkle of herbs or a swirl of cream adds something more. That is the idea behind supplemental.

It means giving something extra beyond what is basic or required. It often adds support, help, or more of something that is already there. You might earn supplemental income if your main job does not cover all your expenses. Schools may offer supplemental instruction for students who need extra help. A supplemental vitamin can help fill a gap in your diet. It adds to what you already have.

Examples

  1. 1

    Extra practice

    The teacher posted some supplemental reading for students who wanted more practice.

  2. 2

    Lesson videos

    The website includes supplemental videos that explain the harder parts of the lesson.

  3. 3

    Insurance

    Many employees buy supplemental insurance to cover costs their basic plan does not pay.

  4. 4

    Extra income

    She started doing weekend design work for supplemental income.

  5. 5

    Report appendix

    The charts in the appendix are supplemental to the main report.

    • Pattern

      supplemental to + main thing

      added to it, not replacing it

Forms and spellings

1 form open this card.

Main spelling

  • supplementaladjective