nonchalant

As a letter s

is the letter s with a.

As an adjective nonchalant is

casually calm and relaxed.

As an adjective nonchalant

is casually calm and relaxed.

As a noun null is

zero, nil; the cardinal number before einn.

As an adverb slowly

is at a slow pace.

As an adjective nonchalant is

casually calm and relaxed.

As adjectives the difference between nonchalant and airy

is that nonchalant is casually calm and relaxed while airy is consisting of air; as, an airy substance; the airy parts of bodies.

As an adjective nonchalant

is casually calm and relaxed.

As a verb obviate is

to bypass a requirement or make it unnecessary; to avoid a future problem or difficult situation.

As an adjective nonchalant

is casually calm and relaxed.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As adjectives the difference between nonchalant and flamboyant

is that nonchalant is casually calm and relaxed while flamboyant is showy, bold or audacious in behaviour, appearance, etc.

As a noun flamboyant is

a showy tropical tree, the royal poinciana (delonix regia ).

As adjectives the difference between hostile and nonchalant

is that hostile is belonging or appropriate to an enemy; showing the disposition of an enemy; showing ill will and malevolence, or a desire to thwart and injure; occupied by an enemy or enemies; inimical; unfriendly while nonchalant is casually calm and relaxed.

As a noun hostile

is (chiefly|in the plural) an enemy.

As an adverb differently

is (manner) in a different way.

As an adjective nonchalant is

casually calm and relaxed.

As adjectives the difference between nonchalant and nonplussed

is that nonchalant is casually calm and relaxed while nonplussed is bewildered; unsure how to respond or act.

As a verb nonplussed is

(nonplus).