The word irritable *is* an adjective. It is a derivative of the verb "to irritate."
Irritatory.
No, it is not. Irritate is a verb meaning to inflame or annoy. The past participle, irritated, can be used as an adjective.
Irritation is the noun of irritate, unlike: annoy - annoyance negotiate - negotiation etc.
-adjective annoyed; irritated; vexed. ~Dictionary.com
That is the correct spelling of the adjective "irate" (angry, mad, upset).
Yes - irritating is the present participle form of the verb irritate. eg That noise is irritating me. Irritating is also an adjective. eg She is an irritating person.
Don't irritate your younger brother. Mom, he is the one who irritates me.
How to Irritate People was created in 1968.
Beach sand can irritate your skin. Too much sun can irritate your skin.
Are you making that humming noise just to irritate you brother? Some harsh soaps will irritate my skin.
The duration of How to Irritate People is 1.13 hours.
irritate
The correct spelling is irritate.