Allergy vs Sensitivity

When to use each in English, with meaning, register, and examples.

Allergy

Top 2,000 (common)

Sensitivity

Top 2,000 (common)C1noun
 AllergySensitivity
Pronunciation🇬🇧 //ˈæl.ə.dʒi//🇺🇸 //ˈælərdʒi//🇬🇧 /["/ˌsensəˈtɪvəti/"]/🇺🇸 /["/ˌsensəˈtɪvəti/"]/
MeaningA reaction to something that makes you sick.The ability to understand and care about others' feelings.
ExampleShe has an allergy to peanuts that makes her very sick.Her sensitivity to criticism made her an empathetic friend.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR level-C1
Part of speechnoun
Collocationsfood allergy, seasonal allergy, allergy symptoms, allergy testextreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity, extreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity, extreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity, extreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity, extreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity, extreme, great, high, degree, have, develop, display, training, with sensitivity, sensitivity about, sensitivity in, a lack of sensitivity
Antonyms-insensitivity, indifference, apathy
Common mistakesConfusing 'allergy' with 'intolerance'., Using 'allergy' as a countable noun incorrectly., Not recognizing symptoms can vary widely.Confused with 'sensible' — they have different meanings., Used inappropriately in technical contexts, where it refers to devices rather than feelings., Overgeneralizing its application, using it in places where emotional context isn't relevant.
Usage notesUse 'allergy' in medical or casual contexts. Avoid in formal writing unless specifically discussing health.Often used in contexts involving emotional intelligence or awareness. Suitable in both professional and personal conversations. Avoid in overly casual situations where it may seem too formal.

Frequently asked questions: Allergy vs Sensitivity

What's the difference between Allergy and Sensitivity?

Allergy: A reaction to something that makes you sick. Sensitivity: The ability to understand and care about others' feelings.

Can I use Allergy and Sensitivity interchangeably?

Not always. Allergy and Sensitivity are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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