WordWeb Online

1. Confuse or leave at a loss because of something complex or difficult to understand
   "These questions flummox even the experts";
   - confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate [informal], perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, stupefy, nonplus, gravel, dumbfound

Derived forms: flummoxed, flummoxes, flummoxing

Type of: be