Cool vs. Nonchalant

Difference Between Cool and Nonchalant
Cooladjective
Having a slightly low temperature; mildly or pleasantly cold.
Nonchalantadjective
Casually calm and relaxed.
We handled the whole frenetic situation with a nonchalant attitude.Cooladjective
Allowing or suggesting heat relief.
a cool grey colourNonchalantadjective
Indifferent; unconcerned; behaving as if detached.
He is far too nonchalant about such a serious matter.Cooladjective
Of a person, not showing emotion; calm and in control of oneself.
Nonchalantadjective
marked by blithe unconcern;
an ability to interest casual studentsshowed a casual disregard for cold weatheran utterly insouciant financial policyan elegantly insouciant mannerdrove his car with nonchalant abandonwas polite in a teasing nonchalant mannerCooladjective
Unenthusiastic, lukewarm, skeptical.
His proposals had a cool reception.Cooladjective
Calmly audacious.
In control as always, he came up with a cool plan.Cooladjective
Applied facetiously to a sum of money, commonly as if to give emphasis to the largeness of the amount.
Cooladjective
(informal) Of a person, knowing what to do and how to behave; considered popular by others.
Cooladjective
(informal) In fashion, part of or fitting the in crowd; originally hipster slang.
Cooladjective
(informal) Of an action, all right; acceptable; that does not present a problem.
Is it cool if I sleep here tonight?Cooladjective
(informal) Of a person, not upset by circumstances that might ordinarily be upsetting.
I'm completely cool with my girlfriend leaving me.Coolnoun
A moderate or refreshing state of cold; moderate temperature of the air between hot and cold; coolness.
in the cool of the morningCoolnoun
A calm temperament.
Coolnoun
The property of being cool, popular or in fashion.
Coolverb
To lose heat, to get colder.
I like to let my tea cool before drinking it so I don't burn my tongue.Coolverb
(transitive) To make cooler, less warm.
Coolverb
To become less intense, e.g. less amicable or passionate.
Relations cooled between the USA and the USSR after 1980.Coolverb
(transitive) To make less intense, e.g. less amicable or passionate.
Coolverb
(transitive) To kill.
Coolnoun
the quality of being cool;
the cool of early morningCoolnoun
great coolness and composure under strain;
keep your coolCoolverb
make cool or cooler;
Chill the foodCoolverb
loose heat;
The air cooled considerably after the thunderstormCoolverb
lose intensity;
His enthusiasm cooled considerablyCooladjective
neither warm or very cold; giving relief from heat;
a cool autumn daya cool roomcool summer dressescool drinksa cool breezeCooladjective
marked by calm self-control (especially in trying circumstances); unemotional;
play it coolkeep coolstayed coolheaded in the crisisthe most nerveless winner in the history of the tournamentCooladjective
(color) inducing the impression of coolness; used especially of greens and blues and violets;
cool greens and blues and violetsCooladjective
psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike;
relations were cool and politea cool receptioncool to the idea of higher taxesCooladjective
used of a number or sum and meaning without exaggeration or qualification;
a cool million bucksCooladjective
fashionable and attractive at the time; often skilled or socially adept;
he's a cool dudethat's coolMary's dress is really coolit's not cool to arrive at a party too early