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 us, the impassable route proved quite passable and even rustic in a fun way. —Maya Silver, Outside Online, 27 June 2025

By this point, the road behind him was impassable, too. —Rachel Monroe, New Yorker, 11 July 2025

Adjective

In three Alabama counties, officials warned that all roads are impassible. —Kenton Gewecke, ABC News, 21 Jan. 2025

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