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ENGLISH · A WORD WITH POSSIBILITIES

substitution.

The act of substituting or the state of being substituted.

12 characters4 syllables approx.English language

Meaning & usage

noun/ˌsʌb.stɪˈtʃuː.ʃən/Received-Pronunciation/ˌsʌb.stɪˈtjuː.ʃən/Received-Pronunciation/ˌsʌb.stɪˈtu.ʃən/Canada, General-American
  1. The act of substituting or the state of being substituted.

    countable · uncountable
    In this football tournament, three substitutions can be made during the match.
  2. A substitute or replacement.

    countable · uncountable
    Gary is off this weekend, so Jeff will be his substitution.
  3. The replacement of an atom, or group of atoms, in a compound, with another.

    countable · especially · uncountable
  4. The expansion of the lexicon of a language by native means in correspondence to a foreign term.

    countable · uncountable
Where this word comes from

From Middle French substitution, from Late Latin substitutio.

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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.