a person or thing acting or serving in place of another.
(formerly) a person who, for payment, served in an army or navy in the place of a conscript.
Grammar. a word that functions as a replacement for any member of a class of words or constructions, as do in He doesn't know but I do.
to put (a person or thing) in the place of another.
to take the place of; replace.
Chemistry. to replace (one or more elements or groups in a compound) by other elements or groups.
to act as a substitute.
of or relating to a substitute or substitutes.
composed of substitutes.
- sub·sti·tut·a·ble, adjective
- sub·sti·tut·a·bil·i·ty, noun
- sub·sti·tut·er, noun
- sub·sti·tut·ing·ly, adverb
- sub·sti·tu·tion, noun
- sub·sti·tu·tion·al, sub·sti·tu·tion·ar·y [suhb-sti-too-shuh-ner-ee, -tyoo-], /ˌsʌb stɪˈtu ʃəˌnɛr i, -ˈtyu-/, adjective
- sub·sti·tu·tion·al·ly, adverb
- in·ter·sub·sti·tut·a·bil·i·ty, noun
- in·ter·sub·sti·tut·a·ble, adjective
- in·ter·sub·sti·tu·tion, noun
- non·sub·sti·tut·ed, adjective
- non·sub·sti·tu·tion, noun
- non·sub·sti·tu·tion·al, adjective
- non·sub·sti·tu·tion·al·ly, adverb
- non·sub·sti·tu·tion·ar·y, adjective
- pre·sub·sti·tute, verb (used with object), pre·sub·sti·tut·ed, pre·sub·sti·tut·ing.
- pre·sub·sti·tu·tion, noun
- pro·sub·sti·tu·tion, adjective
- un·sub·sti·tut·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use substitute in a sentence
In some respects, the substitute celebrations are just one more adaptation media companies have had to make this year.Care packages replace canapés as Coronavirus cancels media holiday party extravagances | Max Willens | November 30, 2020 | Digiday
Congress should also prohibit nonbanks from offering short-term financial instruments that function as deposit substitutes.Why it would be a huge mistake to allow Big Tech firms to acquire banks | jakemeth | November 26, 2020 | Fortune
Rather, the decision is being fueled by a lack of teachers and substitute teachers able to teach in-person classes and concerns about the escalation of coronavirus cases in Vista and regionwide.North County Report: Some Vista Schools to Close for Rest of Semester | Kayla Jimenez | November 25, 2020 | Voice of San Diego
Any time you can substitute a visual element to explain a concept rather than adding a thousand words of unnecessary text, it can go a long way in connecting with visitors.Five quick SEO wins to give your website a boost in search | Anthony Gaenzle | November 23, 2020 | Search Engine Watch
If you’re using them as an onion substitute, you’ll want to cook only briefly and consider slicing them larger than you normally would.Onions, shallots, scallions and leeks are mostly interchangeable in recipes. Here’s how to use what you have. | Becky Krystal | November 23, 2020 | Washington Post
The hypothesis of substitutional symmetry is thus completely confirmed.Harvard Psychological Studies, Volume 1 | Various
The elements, in substitutional symmetry, are then simply means of introducing variety and action.Harvard Psychological Studies, Volume 1 | Various
Of great importance is the substitutional adequacy of images.Criminal Psychology | Hans Gross
British Dictionary definitions for substitute
(often foll by for) to serve or cause to serve in place of another person or thing
chem to replace (an atom or group in a molecule) with (another atom or group)
logic maths to replace (one expression) by (another) in the context of a third, as replacing x + y for x in 3 x = k gives 3 x + 3 y = k
a person or thing that serves in place of another, such as a player in a game who takes the place of an injured colleague
(as modifier): a substitute goalkeeper Often shortened to: sub
grammar another name for pro-form
- substitutable, adjective
- substitutability, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012