Know-it-all n. One who knows everything; hence, A person who makes pretension to great knowledge, especially one whose didactic conversational habit conspicuously reveals his belief that he has superior knowledge on many subjects; a wiseacre; a know-all; usually ironical. (Colloq. & pejorative) Note: the use of this term implies that the speaker disapproves of this behavior, and may think that it is unjustified
... Bart was certain. Well, he'd fool the hell out of the know-it-all doctors. He closed his eyes and thought. The years he had spent sharpening his perception, his ability to transfer his thoughts, were just the groundwork for this greatest experiment of all. He had transferred thought waves in all forms to all corners of this ... — The Alternate Plan • Gerry Maddren Read full book for free!