Thesaurus

improbable

adjective

Synonyms & Antonyms of improbable

not likely to be true or to occur
  • it seems improbable that the two writers never met since they traveled in the same social circles

Synonyms for improbable

Words Related to improbable

Near Antonyms for improbable

Antonyms for improbable

See the Dictionary Definition 

Learn More About improbable

Time Traveler for improbable

Time Traveler

The first known use of improbable was in 1598

See more words from the same year

Thesaurus Entries Near improbable

improbability

improbable

improbably

See More Nearby Entries 

Cite this Entry

“Improbable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/improbable. Accessed 18 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on improbable

Nglish: Translation of improbable for Spanish Speakers

Britannica English: Translation of improbable for Arabic Speakers

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!