reduced in efficacy or vitality or intensity; "our shriveled receipts during the storm"; "as the project wore on she found her enthusiasm shriveled"; "the dollar's shrunken buying power"
lean and wrinkled by shrinkage as from age or illness; "the old woman's shriveled skin"; "he looked shriveled and ill"; "a shrunken old man"; "a lanky scarecrow of a man with withered face and lantern jaws"-W.F.Starkie; "he did well despite his withered arm"; "a wizened little man with frizzy grey hair"
uneducated in the fundamentals of a given art or branch of learning; lacking knowledge of a specific field; "she is ignorant of quantum mechanics"; "he is musically illiterate"
uneducated in general; lacking knowledge or sophistication; "an ignorant man"; "nescient of contemporary literature"; "an unlearned group incapable of understanding complex issues"; "exhibiting contempt for his unlettered companions"
unaware because of a lack of relevant information or knowledge; "he was completely ignorant of the circumstances"; "an unknowledgeable assistant"; "his rudeness was unwitting"
any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.; "he sprayed the garden to get rid of pests"; "many pests have developed resistance to the common pesticides"