Definition

An object or substance that slows down a process or movement.

Example

The engineer used a retarder to decrease the speed of the train safely.

Conversation

Have you ever thought about what could act as a retarder for our plans?

Yeah, I guess things like bad weather can really slow us down.

Exactly! I just want to avoid any kind of retarder this weekend.

Me too! Let's keep an eye on the forecast.

Synonyms & Antonyms

Root Explanation

Retarder → It is formed from "re-" (meaning back or again) and "tardare" (meaning to delay or make late). The word "retarder" means to delay or slow down something again or repeatedly.

Memory Tip

Think of 'back' ('re-') and 'delay' ('tardare') to remember that 'retarder' means to slow something down.

Visually Confused Words