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irrespective
irresponsible
irresponsive
irretrievable
irreverent
irreversible
irrevocable
irrevocable trust
irrigate
irritable
irritable bowel syndrome
irritant
irritate
irritation
irrupt
irruption
irruptive
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irrigate

ir·ri·gate [ írri gàyt ] (past and past participle ir·ri·gat·ed, present participle ir·ri·gat·ing, 3rd person present singular ir·ri·gates)


transitive verb 
Definition:
 
1. agriculture supply area with water: to bring a supply of water to a dry area, especially in order to help crops to grow

2. medicine wash out wound: to make water or liquid medication flow through or over a body part or wound in order to cleanse it

3. refresh something: to make something fresh

[Early 17th century. < Latin irrigat-, past participle of irrigare, literally "to water in" < rigare "to water"]

ir·ri·ga·ble [ írrigəb'l ] adjective
ir·ri·ga·tion [ ìrri gáysh'n ] noun
ir·ri·ga·tion·al [ ìrri gáyshnəl ] adjective
ir·ri·ga·tive [ írri gàytiv ] adjective
ir·ri·ga·tor noun
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