Definition

An object or substance that causes something to move away or be pushed back.

Example

The insect repeller kept the bugs away from the picnic.

Conversation

Have you ever used a bug repeller when camping?

Yeah, I used one last summer and it worked wonders!

I should definitely get one; I hate dealing with mosquitoes.

You won't regret it — a good repeller makes all the difference!

Synonyms & Antonyms

Root Explanation

Repeller → It is formed from "re-" (meaning back or again) and "pellere" (meaning to drive or push). The word "repeller" refers to something that drives back or pushes away.

Memory Tip

Think of something that pushes back or drives away — 're-' means back, and 'pellere' means to drive.

Visually Confused Words