The weather made it unfeasible to be outdoors...
The board said the idea was unfeasible.
English dictionary. 2008.
unfeasible — index impossible, impracticable, inoperable (impracticable), insurmountable, unattainable Burton s Legal Thesaurus. William C. Burton … Law dictionary
unfeasible — (adj.) 1520s, from UN (Cf. un ) (1) not + FEASIBLE (Cf. feasible) … Etymology dictionary
unfeasible — ► ADJECTIVE ▪ inconvenient or impractical. DERIVATIVES unfeasibly adverb … English terms dictionary
unfeasible — [spelling only] … English World dictionary
unfeasible — adj.; unfeasibleness, n.; unfeasibly, adv. * * * … Universalium
unfeasible — adjective Infeasible: not feasible … Wiktionary
unfeasible — Synonyms and related words: beyond one, impracticable, impractical, infeasible, inoperable, insuperable, insurmountable, too much for, unachievable, unattainable, uncompassable, undoable, uneffectible, unnegotiable, unperformable, unrealizable,… … Moby Thesaurus
unfeasible — (New American Roget s College Thesaurus) adj. impracticable, impossible, unthinkable. See impossibility … English dictionary for students
unfeasible — un|fea|si|ble [ ʌn fizəbl ] adjective not possible or practical to do or believe … Usage of the words and phrases in modern English
unfeasible — adj. not feasible … English contemporary dictionary
