Its first usage dates back to 1830-40. The English word originates from the Latin word Iratus, which being a past participle of Irasci means to be angry.
Pronunciation: ahy-reyt, ahy-reyt
The dictionary definitions of irate are as follows:
1) An angry person
2) An Infuriated person
3) A person distinguished by anger
Master tip to learn irate:
How easy it can be to learn irate? So very easy, just remember the face of the shopkeeper in your local store when you ask for a bill. That scornful and irritable look will fit the bill when you have to procure irate from the storehouse of your vocabulary. However, scornful and irritable have a different meaning from irate.
Irate can be used in the following ways:
1) He is an irate person by nature. (Adjective)
2) He usually answers irately to his students. (Adverb)
3) Being irate in his mind, it finally had to come out on someone. (Noun)