1) Annoying 2) Bothersome 3) Disagreeable 4) Displeasing 5) Disturbing 6) Exasperating 7) Galling 8) Hard 9) Infuriating 10) Irking 11) Irksome 12) Irritating 13) Maddening 14) Nettlesome 15) Pesky 16) Pestering 17) Plaguy 18) Troublesome 19) Vexatious 1) Annoying 2) Displeasing 3) Exasperating 4) Infuriating 5) Irksome 6) Maddening 7) Nettlesome 8) Puzzling 9) Troubling 
• (p. pr. & vb. n.) of Vex
vexing 1. Causing difficulty for someone. 2. Causing someone to feel angry, annoyed, or upset. 3. Extremely annoying or displeasing.