salacious adj. + Add to list US //səˈɫeɪʃəs// UK //sælˈeɪʃəs// sala·cious SynonymsEtymology Synonyms lewdlubriciouslustfulobsceneprurientraunchyOriginLATsalāx→ENsalacious Derived from Latin salāx, salācis (“provocative, lustful”) + -ious.