Definitions

1. noun

A small rodent that is typically grayish-brown in color with a long, thin tail and sharp teeth, often considered a pest.

“The rat scurried across the kitchen floor, searching for food.”

2. verb

To inform on or betray someone, especially in a way that is considered disloyal or cowardly.

“He was furious when he found out that his friend had ratted him out to the principal.”

3. noun

A spy or informer, especially one who secretly betrays or informs on their associates, friends, or colleagues.

“The rat in the company was caught and fired for their betrayal.”

4. interjection

An expression of contempt or disgust.

“Rat! What a terrible movie.”