Definition

A person or device that manages or regulates something, often in a technical or financial context.

Example

The controller of the company is responsible for overseeing the budget and financial reports.

Conversation

Hey, do you know where I left my game controller?

I think I saw it on the couch earlier.

Thanks! I really need it for tonight's gaming session.

No problem! Just make sure to charge it before you start.

Synonyms & Antonyms

Root Explanation

Controller → It is formed from "con-" (meaning together) and "trollare" (from Latin, meaning to roll or turn). The word "controller" refers to someone who manages or directs something, effectively rolling or turning the course of action together with others.

Memory Tip

Think of someone who is 'turning' or 'managing' things 'together' — that's why a controller is someone who directs or manages.

Visually Confused Words