hopeless 8 Associations

impossible (similar term)

impracticable 13 Associations

infeasible unfeasible unworkable impossible (similar term)

infeasible 10 Associations

impracticable unfeasible unworkable impossible (similar term)

intolerable 11 Associations

unbearable unendurable bitter (similar term) impossible (similar term) insufferable (similar term) unacceptable (similar term) unsufferable (similar term)

out 3 Associations

impossible (similar term)

unachievable 12 Associations

unattainable undoable unrealizable impossible (similar term)

unattainable 12 Associations

unachievable undoable unrealizable impossible (similar term)

unbearable 10 Associations

intolerable unendurable bitter (similar term) impossible (similar term) insufferable (similar term) unacceptable (similar term) unsufferable (similar term)

undoable 8 Associations

unachievable unattainable unrealizable impossible (similar term)

unendurable 11 Associations

intolerable unbearable bitter (similar term) impossible (similar term) insufferable (similar term) unacceptable (similar term) unsufferable (similar term)

unfeasible 10 Associations

impracticable infeasible unworkable impossible (similar term)

unrealizable 12 Associations

unachievable unattainable undoable impossible (similar term)

unthinkable 11 Associations

impossible (similar term) inconceivable (similar term) out of the question (similar term) unimaginable (similar term) impossible (related term) incredible (related term) unbelievable (related term)

unworkable 10 Associations

impracticable infeasible unfeasible impossible (similar term)