Synonyms and related words :
bankruptcy, breakage, breakdown, collapse, crack-up, crippling, damage, decay, destruction, deterioration, detriment, dilapidation, disablement, encroachment, functionlessness, harm, hobbling, hurt, hurting, impairment, inapplicability, incapacitation, infringement, injury, inoperability, inoperativeness, inroad, inutility, loss, maiming, mayhem, mischief, mutilation, needlessness, otiosity, ruin, ruination, ruinousness, sabotage, scathe, sickening, spoiling, superfluousness, unemployability, unfitness, unhelpfulness, unnecessity, unserviceability, unsuitability, unusability, uselessness, weakening