Vexatious is an adjective that means irritating or distressing.
To vex someone is to trouble or distress them. This word comes from the Latin word vexere (VEX air ay) which means ‘to disturb’ or ‘agitate.’ Vexatious is the adjective version used to describe something or someone that disturbs or agitates.
I hate to be vexatious during work hours, but I insist on having relaxing music playing in the workplace at all times. I apologize if that irritates my co-workers.