Entry Word: impossible

Function: adjective

Meaning: incapable of being solved or accomplished <the seemingly impossible problem of world hunger> <fitting everything in my backpack seemed an impossible task>

Synonyms hopeless, unachievable, unattainable, unsolvable

Related Words impracticable, impractical; doubtful, dubious, far-fetched, improbable, unlikely; implausible, inconceivable, incredible, unbelievable, unthinkable; futile, useless; absurd, fantastic, outlandish, preposterous, ridiculous

Near Antonyms practicable, practical, reasonable; likely, probable; acceptable, believable, conceivable, credible, plausible

Antonyms achievable, attainable, doable, feasible, possible, realizable, workable