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What is another word for improbable?

Need synonyms for improbable? Here's a list of similar words from our thesaurus that you can use instead.

Contexts ▼

Not likely to be true or to happen

Preposterously unbelievable in nature

Highly unusual, unique or remarkable

Illogically baffling, especially from being self-contradictory

Not able, or impractical, to be implemented

Of a minimum or unlikely degree

Unnatural or unusual, especially in a way that is potentially harmful

Ambitious or difficult to achieve

… more ▼

Adjective

Not likely to be true or to happen

difficult to believe

hard to swallow

beyond the bounds of possibility

scarcely credible

hard to believe

out of the question

incomprehensible

won't hold water

out of the ordinary

highly unlikely

beyond the realm of reason

inconsequential

self-contradictory

not in the least likely

not worth considering

not remotely possible

unsubstantiated

beyond possibility

not able to hold water

imcomprehensible

extremely implausible

extremely unlikely

extremely doubtful

extremely difficult to believe

not to be thought of

under suspicion

inapprehensible

beyond one's wildest dreams

not understandable

more ❯

“Neither side has asserted that the sworn evidence is inherently improbable.”

Adjective

Preposterously unbelievable in nature

“A chap by the improbable name of Monty Nebinger emails to offer his services.”

Adjective

Highly unusual, unique or remarkable

incomprehensible

beyond one's wildest dreams

beyond the realm of reason

out-of-this-world

out of the ordinary

never to be forgotten

off beaten path

out of this world

supercalifragilisticexpialidocious

too good to be true

invigorating^US

envigorating^UK

state-of-the-art

attention-grabbing

thought-provoking

like a dream come true

better than expected

surpassing belief

more ❯

“It's an improbable tale of how a man who was raised on white bread ended up with the sacred duty of preparing the annual Christmas dinner for a venerable Parisian family.”

Adjective

Illogically baffling, especially from being self-contradictory

“Even more improbable is the acceptance that this revolutionary impulse has emanated from an elementally American art form.”

Adjective

Not able, or impractical, to be implemented

out of the question

ill-thought-out

head-in-the-clouds

hardly possible

contrary to reason

out of touch with reality

not worth considering

like herding cats

impossible to carry out

with your head in the clouds

more ❯

Adjective

Of a minimum or unlikely degree

Adjective

Unnatural or unusual, especially in a way that is potentially harmful

Adjective

Ambitious or difficult to achieve

difficult to achieve

pick-and-shovel

more ❯

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improbabilities

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What is the opposite of improbable?
Sentences with the word improbable
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Nearby Words

improbabilities

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