(1):

(a.) Of or pertaining to sensation; as, sensational nerves.

(2):

(a.) Of or pertaining to sensationalism, or the doctrine that sensation is the sole origin of knowledge.

(3):

(a.) Suited or intended to excite temporarily great interest or emotion; melodramatic; emotional; as, sensational plays or novels; sensational preaching; sensational journalism; a sensational report.