adjective/ˈliso/
smooth; plain; flat; flat-chested (woman); straight
“Es algo lisa de pecho.” — She's a bit flat-chested.
Synonyms: suave, sencillo, llano, recto
Antonyms: áspero
From the Romance/Vulgar Latin *līssius, from Ancient Greek λισσός (lissós, “smooth”). Compare Portuguese liso, French lisse, Catalan llis, Italian liscio.