home p Jens Windolf pill [pil] –noun 1. a small globular or rounded mass of medicinal substance, usually covered with a hard coating, that is to be swallowed whole. 2. something unpleasant that has to be accepted or endured: Ingratitude is a bitter pill. 3. Slang. a tiresomely disagreeable person. 4. Sports Slang. a ball, esp. a baseball or golf ball. a b c d e f g h i j k l m n o p q r s t u v w x y z pear pearl pharmacy pebble piano photograph photographer pig pigeon pile pill ping-pong pink-pleas