irritable

As adjectives the difference between irritable and undefined

is that irritable is capable of being irritated while undefined is lacking a definition or value.

As adjectives the difference between irritable and hysteric

is that irritable is capable of being irritated while hysteric is hysterical.

As a noun hysteric is

a hysterical person.

As adjectives the difference between hostile and irritable

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 irritable is capable of being irritated.

As a noun hostile

is (chiefly|in the plural) an enemy.

As adjectives the difference between irritable and irritant

is that irritable is capable of being irritated while irritant is causing irritation or inflammation.

As a noun irritant is

any medication designed to cause irritation.

As adjectives the difference between fussy and irritable

is that fussy is anxious or particular about petty details while irritable is capable of being irritated.

Ill-natured is a related term of irritable.

As adjectives the difference between ill-natured and irritable

is that ill-natured is bad-tempered, irritable or malevolent while irritable is capable of being irritated.

Waspish is a related term of irritable.

As adjectives the difference between waspish and irritable

is that waspish is suggestive of the behaviour of a wasp while irritable is capable of being irritated.

Irritable is a related term of pettish.

As adjectives the difference between irritable and pettish

is that irritable is capable of being irritated while pettish is bad-tempered; peevish.

Irritable is a related term of sulky.

As adjectives the difference between irritable and sulky

is that irritable is capable of being irritated while sulky is silent and withdrawn after being upset.

As a noun sulky is

a low two-wheeled cart, used in harness racing.

Mopish is a related term of irritable.

As adjectives the difference between mopish and irritable

is that mopish is given to moping while irritable is capable of being irritated.