chilly or chilli

chill v. to (cause to) become cold but not freeze:
I’ve put the beer in the fridge to chill.
Chill the wine before serving.

chill n.
a feeling of cold:
There was a chill in the air this morning.

a slight fever:
Don’t go out with wet hair, you might catch a chill.

a sudden unpleasant feeling, especially of fear:
I suddenly realized, with a chill of apprehension, the danger of the task ahead.

Word Family:
chill v.,
chill n.,
chilliness n.,
chilly adj.,
chilling adj.,
chillingly adv.

chilly adj.
chilly weather or places are cold enough to make you feel uncomfortable chilly day/night/evening etc.

chilly day/night/evening etc
a chilly November morning

chilly wind/breeze/air etc
Getting chilly, isn’t it?
The bathroom’s a bit chilly.

The speech met with a chilly reception.

chilli (plural chillies)
the small red or green seed case from particular types of pepper plant that is used to make some foods very hot and spicy.

Chili pepper