Definition

The act of replacing one thing with another, or the thing that is used as a replacement.

Example

The teacher made a substitution in the schedule to accommodate the guest speaker.

Conversation

Did you hear about the substitution in the basketball game last night?

Yeah, the coach made a surprising decision to switch players mid-game.

I think that substitution really changed the momentum for their team.

Definitely! It was a bold move that paid off.

Synonyms & Antonyms

Root Explanation

Substitution → It is formed from "sub-" (meaning under or below) and "stituere" (meaning to place or set). The word refers to placing something in the place of another, hence the act of substituting.

Memory Tip

Think of placing something 'under' ('sub-') in the position of something else ('stituere') — that's why substitution means replacing one thing with another.

Visually Confused Words