Substitute

/ˈsʌb stɪˌtjuːt/

Meaning & Definition

noun

A person or thing that takes the place of another.

She was hired as a substitute for the teacher who was on leave.

A replacement for someone or something.

We used a substitute for sugar in the recipe to make it healthier.

An alternative item used as a replacement.

He can play as a substitute in the game if any of the starters get injured.

verb

To replace one thing with another.

You can substitute olive oil for butter in this recipe.

To take the place of someone or something.

The coach will substitute a player if they are not performing well.

From Latin 'substituere', meaning 'to put in place of'.

substitute teacher:

A teacher who fills in for another teacher.

substitute goods:

Products that can replace each other in consumption.

substituting one for another:

Using one thing in place of another.

Sub

I'm just a sub until the regular teacher comes back.

Stand-in

He's just a stand-in for the main guy.