Become frazzled is a phrase used to describe a state of being overwhelmed or exhausted. The crossword solutions for this phrase are WEAR and TIRE. WEAR is a verb meaning to have something on one's body, usually clothing, as a covering or adornment. TIRE is a verb meaning to exhaust or deplete the strength or energy of someone or something. Together, these two words can be used to describe the feeling of becoming frazzled.