Syllable CounterHaiku CheckerSyllable DictionaryRulesPoetry
unbeknownst
adverb
See more 3-syllable adverbs

Divide unbeknownst into syllables:

un · be · knownst

How to pronounce unbeknownst:

Definition of unbeknownst:

unbeknownst (adverb):
without someone's knowledge.

Synonyms for unbeknownst:

unknown

Antonyms for unbeknownst:

realisedrealizedunderstoodknownrecognisedrecognized

Other 3-syllable words like unbeknownst

Here are some other common words that have 3 syllables, like unbeknownst does.

See all 3-syllable words
Syllable Quiz
How many syllables in the word seriously?

Question 1 of 3

Syllable Fun Fact
Syllable play, such as in tongue twisters, challenges the speaker's ability to articulate complex syllable sequences quickly and accurately.

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. convenient
  5. colleague
  6. confide
  7. equivocate
  8. infatuated
  9. slovenly
  10. granddaughter


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