(informal) An imaginary medicine taken when excessively anxious or upset about a trivial matter.

(intransitive, slang) To relax or take time out; to calm down. / (intransitive, slang, somewhat dated) To hang out; spend time together with another person or group.

Alternative spelling of chillout

(meteorology) A measure of how cold the atmosphere feels, taking not just actual temperature into account, but also wind, which can make the air feel considerably colder at the same air temperature.

plural of chill pill

Feelings of fear.

(idiomatic) To provoke an uneasy feeling which stops a conversation, as by an uncalled act or word.

Third-person singular simple present indicative form of chill out

(informal) Relaxed; not stressed or tense.

simple past tense and past participle of chill out