13-Letter Words Containing: B,D,E,K

• To play the position of quarterback.

• (by extension) To lead a team or group; to be primarily responsible for some group project or activity.

• a board having 64 squares of two alternating colors

• incomprehensible or pompous jargon of specialists

• pedal backwards on a bicycle

• step backwards, in boxing

• modify one's opinion, make it less strong

• highly educated; having extensive information or understanding

• alert and fully informed

• thoroughly acquainted through study or experience

• scatter (radiation) by the atoms of the medium through which it passes