illness sickness unfitness unhealthiness unsoundness enervation flab lethargy sloth weakness disease ailment disorder infirmity malady complaint condition affliction bug indisposition infection affection complication trouble ail distemper debility distemperature ill malaise virus disability fever attack contagion lurgy syndrome seizure flu fit breakdown unhealth collapse disturbance ailing valetudinarianism morbidity feebleness frailness frailty fragility debilitation decrepitude unwholesomeness exhaustion fatigue impotence tenderness faintness inanition disablement impotency enfeeblement impropriety inappropriateness unsuitability improperness inappositeness inaptness infelicity unseemliness wrongness disagreement discord immorality inability inadequacy indecency incorrectness indecorum unbecomingness indecorousness immodesty vulgarity rudeness blunder impudence untowardness solecism slip incongruity gaucherie barbarism inelegance goof vulgarism gaffe tastelessness incompatibility unacceptability