Synset
the quality of not being usable
<noun.attribute>
impracticability
impracticableness
lexical pointers
derivationally related form
impracticable
antonym
practicability
lexical pointers
derivationally related form
impracticable
antonym
practicableness
semantic pointers
hypernym
uselessness, inutility, unusefulness
hyponym
infeasibility, unfeasibility