noun

allergen

all·erg·en 3 syllables

A substance which causes an allergic reaction.

Word facts

Part of speech noun
Syllables 3
Letters 8
Starts with A

Definition of Allergen

A substance which causes an allergic reaction.

Example sentences

  1. 1

    Pollen, dust, and spores are common allergens.

Synonyms for Allergen

No synonyms listed for this entry yet.

Antonyms for Allergen

No antonyms listed for this entry yet.

Word Lab tools for "allergen"

Use Word Helper's interactive tools to explore Allergen further — find rhymes, count syllables, unscramble the letters, or find words with the same start or end.

Rhyme Finder

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Syllable Counter

Allergen has 3 syllables: all·erg·en. Paste the word into the Syllable Counter to see the spoken beat breakdown and use it in a longer sentence or poem.

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Word Unscramble

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Prefix Finder

Browse more words starting with the letter A using the Prefix Finder. Useful for exploring word families, spelling patterns, and vocabulary groups.

Words starting with A

Browse words near Allergen

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FAQ

Questions people ask

How many syllables does allergen have?

Allergen has 3 syllables: all·erg·en. The word is broken into 3 spoken beats.

What part of speech is allergen?

Allergen is used as a noun. As a noun, it names a thing, idea, or concept.

What are synonyms for allergen?

This entry does not currently list synonyms for allergen. Try the Word Explorer or the Prefix Finder to explore related word patterns.

How do you use allergen in a sentence?

Example: "Pollen, dust, and spores are common allergens."

What words start with the same letter as allergen?

Allergen starts with the letter A. You can browse all words beginning with A on the Word Explorer A page, or use the Prefix Finder tool to search for words that begin with specific starting letters.

How many letters does allergen have?

Allergen has 8 letters. It contains 3 syllables and starts with the letter A. In word games, letter count and syllable count can help narrow results when you know the word length.