How to Say "averse" in Spanish
The Spanish word for “averse” is “alérgico” — A1 level. This is a very common word in everyday Spanish.

Examples
Soy alérgico a los gatos.
I am allergic to cats.
Ella es alérgica al polen y siempre estornuda en primavera.
She is allergic to pollen and always sneezes in the spring.
Si eres alérgico a los frutos secos, no comas este pastel.
If you are allergic to nuts, don't eat this cake.
Always Use 'A'
In Spanish, we always use the word 'a' to connect the allergy to the thing that causes it. For example: 'alérgico a las flores'.
Matching Gender
This word changes based on who you are talking about. Use 'alérgico' for men and 'alérgica' for women.
Wrong Connection Word
Mistake: “Soy alérgico con el maní.”
Correction: Soy alérgico al maní. (We use 'a' plus 'el' which becomes 'al', never 'con'.)
Related Translations
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