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ENGLISH · A WORD WITH POSSIBILITIES

supplemental.

Acting to supplement.

12 characters4 syllables approx.English language

Meaning & usage

adj/ˌsʌplɪˈmɛntəl/Received-Pronunciation/ˌsʌpləˈmɛntəl/Canada, General-American/ˌsapləˈmentəl/Australia
  1. Acting to supplement.

  2. Appending.

  3. Lacking a regular schedule (as in a supplemental airline).

Where this word comes from

From supplement + -al.

noun/ˌsʌplɪˈmɛntəl/Received-Pronunciation/ˌsʌpləˈmɛntəl/Canada, General-American/ˌsapləˈmentəl/Australia
  1. Something that supplements or adds to.

  2. A requisition or article of legislation that provides additional funding for a program.

Where this word comes from

From supplement + -al.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.