substitutcommon nounSyllable DecompositionsubstitutEtymologyexpandfrom the Latin substitutus, past participle of substituere ("to substitute").Definitions1. One who takes the place of another, who exercises the functions of another, in case of absence or legitimate impediment.expandIl l'a nommé son substitut.Vous serez ma substitute pendant mon absence.2. A magistrate in charge of replacing the public prosecutor, the district attorney at the prosecutor's office.in particularexpand3. What takes the place of something else.philosophieexpand4. A sign with which one can perform various intellectual operations without having to think about the signified reality.in particularexpandFemininesubstitutePluralsubstitutsTranslationsenglish:substitutepolish:substytutSee alsosubstitutif (adj.) substitution (cn.) substituabilité (cn.) substituable (adj.) substituer (v.)