IMPASSABLE Synonyms: 38 Similar and Opposite Words

impassable

adjective

(ˌ)im-ˈpa-sə-bəl

variants also impassible

Definition of impassable

as in dense

impossible to get through or into the road was impassable until snowplows cleared it

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of impassable The floating schools were a response to a longstanding local problem of seasonal floods and impassable, muddy roads that kept children from reaching conventional schools. — Ali Asif Shawon, NPR, 5 Sep. 2026 Many trees will fall, roads may become impassable and power and water could be unavailable for days or weeks. — Janet Loehrke, USA Today, 1 Sep. 2026 Roads can become impassable, evacuation orders can change and homes or outdoor enclosures can be damaged, leaving pets vulnerable to injury or escape. — Melanie Marshall, San Diego Union-Tribune, 21 Aug. 2026 Roads were impassable, and the child's home was surrounded by deep water. — Jen Guadarrama, IndyStar, 20 Aug. 2026 See All Example Sentences for impassable

Recent Examples of Synonyms for impassable

Adjective

The world building is easier to understand and less dense than Crescent City, and the tone is also the most indicative of SJM’s writing on the whole; Throne of Glass started as a YA series, then becomes more adult over time.

— Anna Moeslein, Glamour, 24 Oct. 2026
The mollusks can form dense colonies that clog pipes, obstruct water flow and foul boat motors.

— Daniel Hunt, Sacbee.com, 23 Oct. 2026

Definition of dense

Adjective

Waititi and co-screenwriter Dahvi Waller seem impervious to that refined sensibility, instead preferring to slather on the quirks, to stunningly charmless effect.

— David Rooney, HollywoodReporter, 20 Oct. 2026
As coastal areas become more developed, impervious surfaces—like roadways, parking lots, rooftops, and sidewalks—have increased.

— Lydia Mansel, Travel + Leisure, 14 Oct. 2026

Definition of impervious

Adjective

But the Broncos aren’t just about putting the ball in the back of the net — their defense has allowed just six goals all season and is led by near-impenetrable sophomore goalkeeper Ava de Leest.

— Shaun Goodwin, Idaho Statesman, 17 Oct. 2026
Even top experts have found OpenAI’s proof of blowup to be completely impenetrable.

— Joseph Howlett, Scientific American, 13 Oct. 2026

Definition of impenetrable

Adjective

Charlotte has been blessed to grow at a fast rate, but our expansion has removed green spaces with impermeable pavement and buildings.

— Charlotte Observer, Charlotte Observer, 6 Oct. 2026
Sign up for the newsletter When the rain does fall, Kabul’s hard, impermeable surfaces mean the water doesn’t replenish aquifers, but instead sweeps through the city as flash floods, destroying homes, killing people and rolling away.

— Laura Paddison, CNN Money, 6 Oct. 2026

Definition of impermeable

Adjective

Their security infrastructure is more impregnable than that of a bank.

— Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026
Dropped catches from Steve Smith, Green and Travis Head ensured yesterday's brief rally in the field fizzled out and allowed Bangladesh to bat itself into an almost impregnable position.

— ABC News, ABC News, 14 Aug. 2026

Definition of impregnable

Adjective

Still other ultraprocessed foods – including sauces, condiments and ready-to-heat dishes like frozen dinners – show no consistent links to people’s health one way or the other.

— Garrett M. Broad, The Conversation, 19 Oct. 2026
Apple Turnovers Grandma always appreciated a smart shortcut, and these apple turnovers have that—frozen puff pastry makes the crust on these turnovers quick and easy.

— Jenna Sims, Southern Living, 18 Oct. 2026

Definition of frozen

Adjective

The public promenade that wraps around the bay in front of the hotel invites walkers, runners, and bikers to explore the historic pathway that leads to the thick, lush pine forest at the edge of the sea.

— Condé Nast, Condé Nast Traveler, 20 Oct. 2026
Bake chicken until deeply browned and an instant-read thermometer inserted into the thickest part of a thigh registers 165°, 25–30 minutes.

— Rebecca Firkser, Bon Appetit Magazine, 20 Oct. 2026

Definition of thick

Browse Nearby Words

impart (to)

impassable

impasse

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Style

“Impassable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impassable. Accessed 27 Oct. 2026.

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Synonyms of impassable

adjective

Example Sentences

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