Synonyms of impassable

impassable 1 of 2

adjective (1)

(ˌ)im-ˈpa-sə-bəl 

variants also impassible

as in close

impossible to get through or into

the road was impassable until snowplows cleared it

Synonyms & Similar Words

• close
• impervious
• frozen
• impenetrable
• impermeable
• impregnable
• dense
• compressed
• thick
• compact
• tight
• tough
• substantial
• solid
• sturdy
• rigid
• hard
• condensed
• inflexible
• stiff
• unyielding
• firm
• unbending

Antonyms & Near Antonyms

• permeable
• passable
• negotiable
• soft
• penetrable
• elastic
• flexible
• giving
• malleable
• porous
• pliable
• yielding
• squishy
• absorbent
• bendable

impassible

2 of 2

adjective (2)

(ˌ)im-ˈpa-sə-bəl 

as in stoic

not feeling or showing emotion

years of living behind bars had rendered him impassible

Synonyms & Similar Words

• stoic
• impassive
• calm
• enigmatical
• stoical
• bland
• passionless
• numb
• enigmatic
• emotionless
• phlegmatic
• stolid
• unemotional
• apathetic
• detached
• undemonstrative
• empty
• affectless
• dry
• collected
• reserved
• cold
• unmoved
• cold-blooded
• composed
• imperturbable
• blank
• unflappable
• wooden
• dispassionate
• cool
• inscrutable
• impenetrable
• expressionless
• inexpressive
• vacant
• taciturn
• aloof
• objective
• unresponsive
• unconcerned
• pitiless
• impersonal
• deadpan
• indifferent
• inconsiderate
• thoughtless
• unsentimental
• stone-faced
• bloodless
• insensible
• reticent
• unfeeling
• hard-hearted
• straight-faced

Antonyms & Near Antonyms

• emotional
• impassioned
• passionate
• vehement
• fervent
• demonstrative
• fervid
• passional
• fiery
• burning
• enthusiastic
• zealous
• flaming
• ardent
• red-hot
• blazing
• dramatic
• mushy
• glowing
• sentimental
• sympathetic
• mawkish
• gung ho
• hot-blooded
• responsive
• melodramatic
• compassionate
• reactive
• warm-blooded
• sensitive
• histrionic
• perfervid
• maudlin
• gushing
• overheated
• overemotional

Example Sentences

Recent Examples of impassable

Adjective

For nearly six decades after World War II, they were separated by an impassable physical barrier—a museum documents the ingenious ways people smuggled blue jeans, laundry detergent and pornography—which was dismantled only in 2004, when Slovenia joined the European Union. —Ann Abel, Forbes.com, 29 Mar. 2025

Roman friends report that with the arrival of spring weather the city's streets are already impassable in many popular areas, just as hotel and apartment rental options also are difficult to come by. —Marco Della Cava, USA Today, 22 Apr. 2025

Adjective

It’s been virtually cut off from the outside world because of impassible roads. —Andy Kalmowitz / Jalopnik, Quartz, 30 Sep. 2024

Back in 2022, when the Lerner family tried to do just that, the media dispute proved an impassible roadblock, Sportico previously reported. —Anthony Crupi, Sportico.com, 3 Sep. 2019