im·​pass·​able | \ (ˌ)im-ˈpa-sə-bəl How to pronounce impassable (audio) \
variants: or less commonly

Definition of impassable

: incapable of being passed, traveled, crossed, or surmounted

Keep scrolling for more

Other Words from impassable

impassability \ (ˌ)im-​ˌpa-​sə-​ˈbi-​lə-​tē How to pronounce impassable (audio) \ noun
impassableness \ (ˌ)im-​ˈpa-​sə-​bəl-​nəs How to pronounce impassable (audio) \ noun
impassably \ (ˌ)im-​ˈpa-​sə-​blē How to pronounce impassable (audio) \ adverb

Examples of impassable in a Sentence

The roads were made impassable by the flood. the road was impassable until snowplows cleared it
Recent Examples on the Web Some parents in Lake Charles picked up their children from school in kayaks Monday because the roads were impassable, and other residents reported on social media taking winding trips through town to avoid flooded roads., 18 May 2021 More than 50 roadways in East Baton Rouge Parish were impassable early Tuesday, and emergency crews received more than 160 calls for help, parish spokesperson Mark Armstrong told CNN. Jason Hanna And Amanda Jackson, CNN, 18 May 2021 Already north of Interstate 10, the Harris County Sheriff's Office says several roadways are impassable. Jay R. Jordan, Chron, 30 Apr. 2021 Trains delayed, public roads impassable, and individuals overcome by the elements began to be tallied. David Buie,, 27 Feb. 2021 After last week’s historic freeze crippled some of the continent’s largest oil refineries, diesel shortages and impassable roads halted or delayed fuel deliveries to many stations. Fortune, 25 Feb. 2021 The weather event has left millions without power, roads impassable, and has claimed numerous lives — all amid freezing temperatures atypical for the state. Shannon Larson,, 17 Feb. 2021 Low temperatures in the single digits, a blanket of ankle-deep snow, icy and impassable roads. San Antonio Express-News, 16 Feb. 2021 The Kaupakalua Bridge was also displaced, making these roads impassable. Mike Brest, Washington Examiner, 11 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'impassable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of impassable

1562, in the meaning defined above

Keep scrolling for more

Learn More About impassable

Time Traveler for impassable

Time Traveler

The first known use of impassable was in 1562

See more words from the same year

Statistics for impassable

Last Updated

1 Jun 2021

Cite this Entry

“Impassable.” Dictionary, Merriam-Webster, Accessed 19 Jun. 2021.

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

Keep scrolling for more

More Definitions for impassable



English Language Learners Definition of impassable

: impossible to pass, cross, or travel over


im·​pass·​able | \ im-ˈpa-sə-bəl \

Kids Definition of impassable

: impossible to pass, cross, or travel … the forest road … led to impassable marshes where the paths had long been lost.— J. R. R. Tolkien, The Hobbit

More from Merriam-Webster on impassable

Thesaurus: All synonyms and antonyms for impassable

Nglish: Translation of impassable for Spanish Speakers


Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

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