Irritant

/ˈɪrɪtənt/

Meaning & Definition

noun
A substance or factor that causes irritation.
The cleaning solution was an irritant that caused skin rashes.
Something that provokes annoyance or discomfort.
His constant interruptions became an irritant during the meeting.
An agent that causes inflammation or irritation in the body.
Dust can be an irritant for those with respiratory issues.
A compound that causes irritation in a biological context.
Pollen is a common irritant for allergy sufferers.

Etymology

From Latin 'irritant-', 'irritans', present participle of 'irritare', meaning to excite or provoke.

Common Phrases and Expressions

an irritant to one's peace
something that disrupts a person's calm or tranquility.
chronic irritant
a persistent source of annoyance or discomfort.
irritant factor
a specific element that causes irritation in a situation.

Related Words

irritate
To cause annoyance or discomfort.
irritation
The state of being annoyed, impatient, or slightly angered.
irritable
Subject to irritation; easily annoyed.

Slang Meanings

Buzzkill
That rule is such a buzzkill at the party.
Wet blanket
Don’t be a wet blanket; join in the fun!