n. a drug that induces sleep

adj. inducing mental lethargy; "a narcotic speech"

adj. sleep inducing

n. a drug used to reduce stress or tension without reducing mental clarity

adj. so lacking in interest as to cause mental weariness; "a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention"; "what an irksome task the writing of long letters is"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"

adj. so lacking in interest as to cause mental weariness; "a boring evening with uninteresting people"; "the deadening effect of some routine tasks"; "a dull play"; "his competent but dull performance"; "a ho-hum speaker who couldn't capture their attention"; "what an irksome task the writing of long letters is"- Edmund Burke; "tedious days on the train"; "the tiresome chirping of a cricket"- Mark Twain; "other people's dreams are dreadfully wearisome"

adj. lacking interest or significance or impact; "an insipid personality"; "jejune novel"

adj. lacking wit or imagination; "a pedestrian movie plot"

adj. labored and dull; "a ponderous speech"

adj. (of a book) poorly written and not entertaining

adj. tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"

adj. inducing stupor or narcosis; "narcotic drugs"

adj. tending to relax or relieve muscular or nervous tension; "a relaxant drug"