Thesaurus:impossibility

Thesaurus

impossibility

English

Noun

Sense: something that cannot happen

Synonyms

• castle in the air (idiomatic)
• impossibility
• pie in the sky (idiomatic)
• pipe dream (idiomatic)

Antonyms

• certainty
• inevitability
• possibility    [⇒ thesaurus]
• sure thing    [⇒ thesaurus]

Various

• absurdity

Further reading

• “471. impossibility” in Roget's Thesaurus, T. Y. Crowell Co., 1911.
• “impossibility” in Moby Thesaurus II, Grady Ward, 1996.