The term 'over backward' can be solved by two crossword solutions, 'BEND' and 'LEAN'. BEND is a verb that means to move a body part or object into a curved position, usually by using force. LEAN is a verb that means to move the body in a particular direction, usually by bending at the waist. Both words are used to describe the action of moving over backward, which is a movement that involves bending the body backwards.