The meaning of SUBSTITUTION is the act, process, or result of substituting one thing for another. How to use substitution in a sentence.

We can use many different words and phrases in substitution, including words such as both, either, some (indefinite quantifying pronouns), do and so, and expressions such as the same and thus. …

SUBSTITUTION meaning: 1 : the act of substituting or replacing one person or thing with another; 2 : someone or something that is or can be substituted for another

Dec 14, 2025 · substitution (countable and uncountable, plural substitutions) The act of substituting or the state of being substituted.

Substitute means to put in the place of another. In Algebra Substitution means putting numbers where the letters are:

Master the word "SUBSTITUTION" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

Definition of substitution noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.