The word flummoxes stands for perplex or bewilder. There are plenty of synonyms that can be used instead of flummoxes, depending on the context and situation: confuse, baffle, stump, puzzle, confound, mystify, discombobulate, bewilder, nonplus, dumbfound, and perplex. These words show an element of confusion that a person can experience when they face a challenging situation that is difficult to comprehend or solve. All these synonyms are used to express similar meanings, and each one of them emphasizes a different level of confusion that a person is going through. These words can help in conveying the exact meaning and intensity of the level of confusion that one is facing.