In Colombia it means withered, dry, snug, dull, exhausted, languid, decayed. It also means sad, melancholy, dejected, taciturn, depressed. In Mexico it means hypocritical, overlapping, false, disguised.
Quiet person, who speaks little
I MUSTIO: SAD, HUMBLED, DEPRESSED PERSON.
Desiccated also applies when a person made a prank and becomes the disguised or ' mustio ' popularly; " is done as our Lady tells "