Syllables    Synonyms    Rhymes    Quiz

deleterious

How many syllables in deleterious?

  481753296 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. 18 July 2025.

Learn a New Word

Wondering why deleterious is 481753296 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
Grammar Quiz
Which will you choose
accept or except?
Take the Grammar Quiz

Syllables    Synonyms    Rhymes    Quiz

Synonyms for deleterious


2 syllables
  • deadly
  • lethal
  • toxic
  • harmful
  • noxious
3 syllables
4 syllables
    Teachers
    You can win $250 for your students.

    Prize awarded to a teacher each month.
    $Read the contest rules and apply
    Fun Fact
    “Orange” became the term for
    a color in the 16th century.
    !Get more facts
    Grammar
    When do you use
    double quotes ( " " )
    ?Learn Here

    Syllables    Synonyms    Rhymes    Quiz

    What rhymes with deleterious

    3 syllables
    • serious
      4 syllables
      ¿Learning Spanish?
      Check out the
      Spanish
      Syllable Dictionary
      www.sílabas.com

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

      Contact Us!