Word Study
unworkable
OXFORD DICTIONARY
unworkable, adj. not workable; impracticable.
Derivative
unworkability n. unworkableness n. unworkably adv.
THESAURUS
unworkable
beyond one, functionless, impracticable, impractical, in disrepair, inapplicable, infeasible, inoperable, inoperative, insuperable, insurmountable, nonfunctional, nonutilitarian, otiose, out of order, out of whack, too much for, unachievable, unattainable, uncompassable, unconducive, undoable, uneffectible, unemployable, unfeasible, unfit, unhelpful, unnegotiable, unperformable, unrealizable, unserviceable, unsuitable, unsurmountable, unusable, uselessFor further exploring for "unworkable" in Webster Dictionary Online