impossible

[ im-pos-uh-buhl ]
/ ɪmˈpɒs ə bəl /
SEE SYNONYMS FOR impossible ON THESAURUS.COM

adjective

not possible; unable to be, exist, happen, etc.
unable to be done, performed, effected, etc.: an impossible assignment.
incapable of being true, as a rumor.
not to be done, endured, etc., with any degree of reason or propriety: an impossible situation.
utterly impracticable: an impossible plan.
hopelessly unsuitable, difficult, or objectionable.

Origin of impossible

First recorded in 1250–1300; Middle English word from Latin word impossibilis. See im-2, possible

OTHER WORDS FROM impossible

im·pos·si·ble·ness, noun im·pos·si·bly, adverb

WORDS THAT MAY BE CONFUSED WITH impossible

impossible impracticable impractical improbable

Words nearby impossible

impose on, imposing, imposing stone, imposition, impossibility, impossible, impossible figure, impost, impost block, impostor, impostor syndrome

Words related to impossible

unimaginable, impractical, inaccessible, unworkable, unreasonable, preposterous, impassable, insurmountable, hopeless, futile, useless, unattainable, inconceivable, unthinkable, absurd, ludicrous, outrageous, unacceptable, visionary, offensive

Example sentences from the Web for impossible

British Dictionary definitions for impossible

impossible
/ (ɪmˈpɒsəbəl) /

adjective

incapable of being done, undertaken, or experienced
incapable of occurring or happening
absurd or inconceivable; unreasonable it's impossible to think of him as a bishop
informal intolerable; outrageous those children are impossible

Derived forms of impossible

impossibleness, noun impossibly, adverb