Syllable CounterHaiku CheckerSyllable DictionaryRulesPoetry
diagonal
adjective
See more 4-syllable adjectives

Divide diagonal into syllables:

di · ag · o · nal

How to pronounce diagonal:

Definition of diagonal:

diagonal (adjective):
slanting
connecting two nonadjacent corners of a plane figure or any two corners of a solid that are not in the same face.
joining two vertices of a rectilinear figure that are nonadjacent or two vertices of a polyhedral figure that are not in the same face

Synonyms for diagonal:

slantedinclinedaslantcrossslantinggradedobliquetiltedleaningcrosswise
Show 1 more

Antonyms for diagonal:

smoothevenlevelstraightstraightforward

Other 4-syllable words like diagonal

Here are some other common words that have 4 syllables, like diagonal does.

See all 4-syllable words
Syllable Quiz
How many syllables in the word broad?

Question 1 of 5

Syllable Fun Fact
Syllabification is the process of dividing words into their constituent syllables.

You, too, can become a syllable pro and wow your friends, family, and pets!

Learn more syllable fun facts
Trending words

These words are popular right now. Visit each word to master its syllable count.

  1. surreptitiously
  2. heaven
  3. seriously
  4. unbeknownst
  5. convenient
  6. colleague
  7. confide
  8. equivocate
  9. infatuated
  10. slovenly


Syllable Counter is reader-supported. When you purchase something through one of our links, we may earn a small commission at no cost to you.

©2025 SyllableCounter.io