irrigate

verb

ir·​ri·​gate ˈir-ə-ˌgāt 

irrigated; irrigating

transitive verb

1

: wet, moisten: such as

a

: to supply (land, crops, etc.) with water by artificial means

irrigating the cotton plants

irrigates 20 acres of farmland

b

: to flush (a body part) with a stream of liquid

irrigate the wound with saline solution

the eye was irrigated following chemical exposure

2

: to refresh as if by watering

intransitive verb

: to practice irrigation

A tensiometer (soil moisture probe), available at any garden center, helps take the guesswork out of irrigating.

—The Benicia (California) Herald

irrigator

ˈir-ə-ˌgā-tər 

noun

Synonyms

• rinse
• wash
• flush

Examples of irrigate in a Sentence

The surgeon irrigated the wound.

if you get the chemical in your eye, irrigate the eye thoroughly with water

Recent Examples on the Web

In addition to water that irrigated the crops, water supply was raised from the Nile and its waterways by means of the shaduf, a levering device with a long pole, until after the pharaonic period when the Persian Wheel or saqia arrived, typically turned by a pair of oxen. —Vanessa Taylor, Big Think, 25 Sep. 2025

Pascua Yaqui tribal leaders started work on a water pipeline that will irrigate ballfields and save drinking water for homes. —Debra Utacia Krol, AZCentral.com, 18 Sep. 2025

After overseeding, irrigate 3 to 4 times a day for the first 7 to 10 days or until the seed germinates. —Megan Hughes, Better Homes & Gardens, 15 Sep. 2025

So the creekbed was designed to move the water across the front yard and guide it down to the street; any residual water can irrigate the plants. —Caron Golden, San Diego Union-Tribune, 13 Sep. 2025

Word History

Etymology

Latin irrigatus, past participle of irrigare, from in- + rigare to water; perhaps akin to Old High German regan rain — more at rain

First Known Use

1615, in the meaning defined at transitive sense 1

Rhymes for irrigate

• abdicate
• abrogate
• acetate
• activate
• actuate
• adsorbate
• aggravate
• agitate
• alginate
• alienate
• allocate
• amputate

Kids Definition

irrigate

verb

ir·​ri·​gate ˈir-ə-ˌgāt 

irrigated; irrigating

1

: to supply with water by artificial means

irrigate a field

irrigate crops

2

: to flush with a liquid

irrigate a wound

Medical Definition

irrigate

transitive verb

ir·​ri·​gate ˈir-ə-ˌgāt 

irrigated; irrigating

: to flush (a body part) with a stream of liquid

irrigate the wound with saline to remove debris

the eye was irrigated for 10 minutes following chemical exposure

irrigation

ˌir-ə-ˈgā-shən 

noun