deleterious

How many syllables in deleterious?

  392871645 syllables

Divide deleterious into syllables:   del-e-te-ri-ous
Primary syllable stress:   del-e-te-ri-ous
Secondary syllable stress:   del-e-te-ri-ous
How to pronounce deleterious:   del-i-teer-ee-us
How to say deleterious:

Cite This Source

Bibliography Citations
MLA   |    APA   |   Chicago Manual Style
"deleterious." HowManySyllables.com. How Many Syllables, n.d. Web. 20 October 2025.

Learn a New Word

Syllable Quiz
Can you divide
our into syllables?

Synonyms for deleterious


2 syllables
  • deadly
  • lethal
  • toxic
  • harmful
  • noxious
3 syllables
4 syllables
    Let Teachers Teach Contest
    One $250 prize is awarded
    to one teacher, every month,
    to help teachers teach their students.
    Fun Fact
    The word “alphabet
    comes from Alpha & Beta.
    Grammar
    When should you use
    an apostrophe ( ' )?
    What rhymes with deleterious

    3 syllables
    • serious
      4 syllables
      Ever Wonder
      when to use
      There, Their, & They're?

      Parents, Teachers, StudentsDo you have a grammar question?
      Need help finding a syllable count?
      Want to say thank you?