SHREWD

adjective Etymology: Middle English shrewed, from shrewe + 1-ed Date: 13th century mischievous , abusive , shrewish , ominous , dangerous , 4. severe , hard , sharp , piercing , 5. marked by clever discerning awareness and hardheaded acumen , given to wily and artful ways or dealing , ~ly adverb ~ness noun Synonyms: see: ~