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French Phrase

Quelqu'un est allergique aux noix.

/kɛl.k‿œ̃ ɛ‿a.lɛʁ.ʒik o nwa/
Meaning"Someone is allergic to nuts."
💡

Meaning

The sentence informs that an unspecified person has a nut allergy. It is a neutral statement that can be used to warn others, explain dietary restrictions, or discuss health concerns.

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When to use

Use this phrase when you need to alert someone—such as restaurant staff, friends, or coworkers—about a nut allergy, or when talking about health issues in a group setting.

✦Grammar Breakdown

Quelqu'unestallergiqueauxnoix

1

Quelqu'un

Indefinite pronoun meaning “someone”. The apostrophe replaces the elided vowel in “quelque”.

2

est

Third‑person singular present of the verb être. Used for all subjects that are singular.

3

allergique

Adjective meaning “allergic”. It is invariable in gender and number when it follows a subject pronoun.

4

aux

Contraction of à + les, required before plural nouns. Never write “à les”.

5

noix

Feminine plural noun meaning “nuts” (tree nuts). Note the silent ‘x’ in pronunciation.

🗨In Conversation

A

Quelqu'un est allergique aux noix, alors évitez les desserts à base de caramel.

Someone is allergic to nuts, so avoid the caramel‑based desserts.

Merci, je vais préparer une option sans noix.

Thanks, I’ll prepare a nut‑free option.

B

✕Common Mistakes

  • Quelqu'un est allergique à les noix.

    The preposition à contracts with the plural article les to form aux.

  • Quelqu'un est allergiques aux noix.

    Allergique does not agree with the singular subject; keep it singular.

  • Quelqu un est allergique aux noix.

    The apostrophe is mandatory because the vowel of « quelque » is dropped.

↔Alternatives

  • Il/elle est allergique aux noix.

    He/she is allergic to nuts.

  • Une personne souffre d'une allergie aux noix.

    A person suffers from a nut allergy.

  • On est allergique aux noix.

    We are allergic to nuts.

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Cultural Tip

In French‑speaking countries it’s customary to explicitly mention allergies when ordering food; waitstaff often ask “Vous avez des allergies ?” to ensure safety. Remember that “noix” refers to tree nuts (walnuts, almonds, etc.). Peanuts are called “arachides” or “cacahuètes” and would be mentioned separately.