Allergic ( adjective , noun )

(As an adjective)

Allergic ( adjective )

1. Having an allergy to something, typically a particular substance.
2. Having an abnormal reaction to a substance that is not harmful to most people.

Origin:

Early 20th century: from allergy + -ic.

Examples:

1. He is allergic to peanuts.
2. She is allergic to dust.
3. He is allergic to the medicine.
4. She is allergic to the pollen.
5. He is allergic to the cat hair.

(As a noun)

Allergic ( noun )

1. Having an allergy to something, typically a particular substance.
2. Having an abnormal reaction to a substance that is not harmful to most people.

Origin:

Early 20th century: from allergy + -ic.

Examples:

1. He is allergic to peanuts.
2. She is allergic to dust.
3. He is allergic to the medicine.
4. She is allergic to the pollen.
5. He is allergic to the cat hair.