Al*ler*gy
-noun, plural -gies.

1. an abnormal reaction of the body to a previously encountered allergen introduced by inhalation, ingestion, injection, or skin contact, often manifested by itchy eyes, runny nose, wheezing, skin rash, or diarrhea.
2. hypersensitivity to the reintroduction of an allergen. Compare ANAPHYLAXIS.
3. informal. a strong dislike or aversion, as toward a person or activity: He has an allergy to hard work.

Dictionary.con Unabridged (v1.1)

Al*ler*gy
n. pl. al*ler*gies

1. An abnormally high sensitivity to certain substances, such as pollens, foods, or microorganisms. Common indications of allergy may include sneezing, itching, and skin rashes.
2 .Informal An adverse sentiment; antipathy: an allergy to cocktail parties.

American Heritage Dictionary

Allergy

noun

hypersensitivity reaction to a particular allergen: symptoms can vary greatly in intensity

WordNet

BLASTED ALLERGIES
n. pl. freakin' allergies

1. A sensitivity to some crap in the air that gives me a snotty stuffed up nose, splitting headache, itchy read swollen eyes that make me look like I'm HIGH, I JUST planted flowers and it better not be from that attitude, sore dry throat that no amount of water will cure, BUT I'M NOT AN ALLERGY PERSON whiny voice, and YES I lost my sense of taste and smell AGAIN thank you very much.

2. Informal WHO THE H-E-DOUBLE HOCKEY STICKS THOUGHT THIS ANNOYING CRUD UP?????? I THINK I HAVE AN ALLERGY TO ALLERGIES.

Peef (v 1.1)