stimulating Antonyms

unstimulating vapid weakening wearisome uninteresting ataraxic tranquillising benzodiazepine barbiturate phenobarbital tranquilizing tiresome saddening sedative somniferous soothing soporiferous soporific stupefacient tame tedious 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 sad anaesthetic depressant discouraging disinteresting dreary drowsy