starchy \-chē, -chi\adjective (-er/-est) 1. a.: consisting of or containing starch < starchy roots > b.: resembling starch or something starched 2. a.: consisting of or having the characteristics of a stiff aloof and often prudish formality < starchy schoolmarms — William Manchester > b.: marked by a crotchety stiffness of manner or opinion : crusty 2 < a starchy retired colonel >