revitalising Antonyms

unsanitary stupefacient sempervirent sapping reverseless perdurable opium opiate nepenthe unmovable barbiturate phenobarbital age-long nonreversible nonreturnable hard drug unmodifiable sleeping pill sleeping draught antidepressant morphine morbific macrobiotic enfeebling drugging diuturnal debilitating codeine black letter anesthetic anaesthetic eternal hypnotic inalterable longeval laudanum laming insanitary insalutary infectious incommutable incapacitating abusive