stimulating Antonyms

unstimulating vapid weakening wearisome uninteresting ataraxic tranquillising benzodiazepine blue angel barbiturate tranquilizing tiresome saddening sedative somniferous soothing soporiferous soporific stupefacient tame tedious phenobarbital purple heart sodium thiopental soul-destroying turps uncolorful unexciting as dull as dishwater as dry as dust abating drawbacks abating weaknesses unimpressive dull as dishwater mind-numbing antidepressant chloral hydrate scag sleeping draught sleeping pill unremarkable hard drug noninflammatory abrogating impediments anaesthetic depressant discouraging disinteresting dreary drowsy