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Synonyms for impossibility
noun hopelessness

futility
failure
difficulty

contrariety
impracticality
unreasonableness

unfeasibility
impracticability
unlikelihood

unattainability
unworkability

Antonyms for impossibility

feasibility
possibility

practicality
probability

Concept Thesaurus for word impossibility
Degrees of Evidence
Synonyms – noun

impossibility
hopelessness

what cannot

what can never be

sour grapes

Synonyms – verbs

be impossible
get blood from a stone
make a silk purse out of a sow’s ear
build castles in the air
fetch water in a sieve
be in two places at once.

have no chance whatever.
get blood from a turnip
make bricks without straw
prendre la lune avec les dents
milk a he-goat into a sieve

attempt impossibilities
look for a needle in a haystack
have nothing to go upon
extract sunbeams from cucumbers
catch a weasel asleep

square the circle
skin a flint
weave a rope of sand
set the Thames on fire
rompre l’anguille au genou

Synonyms – adjectives

impossible
unlikely
beyond the bounds of possibility
inconceivable (improbable)
unthinkable.
infeasible
unattainable
not to be had
incompatible
impervious
out of one’s power
beyond one’s grasp

not possible
unreasonable
beyond the realm of possibility
prodigious (wonderful)
impracticable
insuperable
unobtainable
not to be thought of
inaccessible
innavigable
beyond one’s power
too much for

absurd
incredible
from which reason recoils
unimaginable
unachievable
unsurmountable
out of reach
beyond control
uncomeatable
inextricable
beyond one’s depth
ultra crepidam.

contrary to reason
beyond the bounds of reason
visionary
inimaginable
unfeasible
insurmountable
out of the question
desperate (hopeless)
impassable
self- contradictory.
beyond one’s reach

Synonyms – phrases
the grapes are sour; non possumus; non nostrum tantas componere lites [Vergil]; look for a needle in a haystack, chercher une aiguille dans une botte de foin [Fr.]; il a le mer à
Antonyms

possibility

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Other adjectives related to impossibility

absurd
beyond one’s power
contrary to reason
impassible
inaccessible
inextricable
insuperable
not to be thought of
out of reach
unachievable
unimaginable
visionary

beyond control
beyond one’s reach
desperate
impervious
incompatible
infeasible
insurmountable
out of one’s depth
out of the question
unattainable
unobtainable

beyond one’s depth
beyond the bounds of possibility
from which reason recoils
impossible
inconceivable
inimaginable
not possible
out of one’s grasp
prodigious
uncomeatable
unreasonable

beyond one’s grasp
beyond the bounds of reason
hygogical
impracticable
incredible
innavigable
not to be had
out of one’s power
too much for
unfeasible
unsurmountable

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