Definition

/tʃɪl/

noun

A moderate, but uncomfortable and penetrating coldness.
“There was a chill in the air.”
A sudden penetrating sense of cold, especially one that causes a brief trembling nerve response through the body; the trembling response itself; often associated with illness: fevers and chills, or susceptibility to illness.
“Close the window or you'll catch a chill. I felt a chill when the wind picked up.”
An uncomfortable and numbing sense of fear, dread, anxiety, or alarm, often one that is sudden and usually accompanied by a trembling nerve response resembling the body's response to biting cold.
“Despite the heat, he felt a chill as he entered the crime scene. The actor's eerie portrayal sent chills through the audience. His menacing presence cast a chill over everyone.”
An iron mould or portion of a mould, serving to cool rapidly, and so to harden, the surface of molten iron brought in contact with it.
The hardened part of a casting, such as the tread of a carriage wheel.

verb

To lower the temperature of something; to cool
“Chill before serving.”
To become cold
“In the wind he chilled quickly.”
To harden a metal surface by sudden cooling
To become hard by rapid cooling
To relax, lie back
“Chill, man, we've got a whole week to do it; no sense in getting worked up.”

adjective

Moderately cold or chilly.
“A chill wind was blowing down the street.”
Unwelcoming; not cordial.
“Arriving late at the wedding, we were met with a chill reception.”
Calm, relaxed, easygoing.
“Paint-your-own ceramics studios are a chill way to express yourself while learning more about your date's right brain.”
"Cool"; meeting a certain hip standard or garnering the approval of a certain peer group.
“That new movie was chill, man.”
Okay, not a problem.
“"Sorry about that." "It's chill."”