Syllables    Synonyms    Rhymes    Quiz

deleterious

How many syllables in deleterious?

  714985362 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. 04 September 2025.

Learn a New Word

Wondering why deleterious is 714985362 syllables?   Contact Us!   We'll explain.

Syllable Rules

1.  What is a syllable?
2.  How to count syllables.
3.  How to divide into syllables.

More Grammar
Trending Words
Syllable Quiz
72% get these syllable
questions wrong!
Take the Syllable Quiz

Syllables    Synonyms    Rhymes    Quiz

Synonyms for deleterious


2 syllables
  • deadly
  • lethal
  • toxic
  • harmful
  • noxious
3 syllables
4 syllables
    Teachers
    What can $250 do for your classroom?

    One prize is awarded to
    one teacher, every month.
    $Read the contest rules and apply
    Fun Fact
    Vacuum has 3 syllables:
    vac-u-um
    !See more facts
    FAQ
    When should you use
    A vs. An before a word
    ?A vs. An Rules

    Syllables    Synonyms    Rhymes    Quiz

    What rhymes with deleterious

    3 syllables
    • serious
      4 syllables
      Ever Wonder
      What's the difference between
      Bear and Bare?
      Learn Here

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

      Contact Us!