Definition of allergy
- a bee venom allergy so severe that a second sting may be fatal
Many people have some form of allergy.
independent-minded people who seem to have an allergy to any control from the government
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'allergy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a medical condition that causes someone to become sick after eating, touching, or breathing something that is harmless to most people
What made you want to look up allergy? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Test your knowledge - and maybe learn something along the way.TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ