substitution

substitution — noun

1. the act of giving a person or thing the position or role that another person or

1.nounB1
Definition

the act of giving a person or thing the position or role that another person or thing had before — for example, using margarine instead of butter in a recipe, or having a colleague cover a co-worker's shift

Example

The recipe calls for a simple substitution of honey for sugar.

When Pim fell ill, Amira made a last-minute substitution as the lead speaker.

substitution + as + role (person replacing another)

Common collocations
  • simple substitution
  • direct substitution
  • last-minute substitution
  • perfect substitution
Synonyms
  • replacement

    broader term; a replacement need not be a direct one-for-one match

  • swap

    informal; often implies mutual exchange rather than one-directional change

  • exchange

    suggests a reciprocal or balanced trade between two items

Antonyms
  • preservation

    keeping the original item or person in place instead of changing

Grammar Patterns

substitution of [noun] for [noun]

Usage Note

Often follows the pattern 'substitution of A for B', where A is the new item and B is the item being replaced. Do not use 'with' in place of 'for' in this structure.

Common Mistakes

I made a substitution of butter with margarine.
I made a substitution of margarine for butter.
The correct structure uses 'for', not 'with', after 'substitution of [new item]'.

2. in team sports such as football or basketball, the action of sending one player

2.nounB2
Definition

in team sports such as football or basketball, the action of sending one player off the field and sending a different player on to continue the game in their place

Example

The coach made a double substitution in the second half of the match.

collocation: make a substitution

Substitution rules allow each team to make up to five changes during a game.

collocation: substitution rules

Common collocations
  • double substitution
  • tactical substitution
  • early substitution
  • late substitution
Synonyms
  • player change

    neutral term used in coaching and commentary

  • swap

    informal; 'the team made a swap in defence'

Grammar Patterns

make a substitution

substitution [rules/bench/player]

Usage Note

In sports contexts, a 'substitution' is the act of replacing a player, not the player who comes on. That person is called a 'substitute'. The verb is 'to substitute [player A] for [player B]'.

Common Mistakes

The referee called for a substitute.' (when meaning the act of changing)
The referee allowed a substitution.
A 'substitute' is the player who comes on; a 'substitution' is the act of changing players.

Word family

  • substitute
    verbB1
  • substitute
    nounB1
  • substitutional
    adjectiveC1
  • substitutable
    adjectiveC2
  • substitutability
    nounC2

Synonym discussion

Sense: noun/1

While all four words describe giving something a different role or position, substitution suggests a direct one-for-one exchange where the new item takes over exactly the function of the old one. Replacement is broader — you can replace a broken cup with a different type of cup without the one-for-one match implied by substitution. Swap and switch are more informal and often imply mutual exchange ('We swapped seats' — each person takes the other's seat), whereas substitution is usually one-directional: A fills B's role, but not vice versa. Exchange sits between them, suggesting a reciprocal or balanced trade of equal items. For example, a football coach makes a substitution (one player replaces another), but the two players do not swap positions — only the direction of the change matters.

replacementswap ↗exchange ↗switch ↗

Common collocations

Phrases

  • make a substitution
  • substitution of [A] for [B]

Prepositions

Etymology

LatinFrenchEnglish

Substitution comes from Latin 'substitutio', from 'substituere' — a combination of 'sub-' meaning 'under' and 'statuere' meaning 'to set up or place'. It passed into English through Old French in the 1400s, first used in legal contexts for the act of appointing someone to act in another's place. By the 1500s it had broadened to describe the general act of replacing one thing with another.