1. Extremely annoying or displeasing
   "his cavalier curtness of manner was vexing";
   - exasperating, infuriating, maddening, stupid [informal]
    
2. Causing irritation or annoyance
   "it is vexing to have to admit you are wrong";
   - annoying, bothersome, galling, irritating, nettlesome, pesky [informal], pestering, pestiferous, plaguy, plaguey, teasing, vexatious, irksome, niggly, dratted [informal], aggravating

1. Cause annoyance, especially by persistent minor irritations
   "His constant interruptions vex the entire team";
   - annoy, rag, get to, bother, get at [informal], irritate, rile, nark [Brit, slang], nettle, gravel [US], chafe [archaic], devil, tick off [informal], roil [N. Amer]
    
2. Disturb the peace of mind of; afflict with mental agitation or distress
   "I cannot sleep—my daughter's health is vexing me";
   - worry
    
3. Confuse or leave at a loss because of something complex or difficult to understand
   "a vexing problem";
   - confuse, throw, fox, befuddle, fuddle, bedevil, confound, discombobulate [informal], perplex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, dumbfound

See also: disagreeable, displeasing

Type of: affect, bear on, bear upon, cark [archaic], disorder, displease, disquiet, distract, impact, perturb, trouble, unhinge

Antonym: reassure

Encyclopedia: Vex, Switzerland