vexation

n. vexation, teasing; attaint, irritation, soreness

(n.)
The cause of trouble or disquiet; affliction.
  

(n.)
The act of vexing, or the state of being vexed; agitation; disquiet; trouble; irritation.
  

(n.)
A harassing by process of law; a vexing or troubling, as by a malicious suit.
  

Noun
1. anger produced by some annoying irritation
(synonym) annoyance, chafe
(hypernym) anger, choler, ire
(hyponym) pique, temper, irritation
2. the psychological state of being irritated or annoyed
(synonym) irritation, annoyance, botheration
(hypernym) psychological state, mental state
(hyponym) bummer
(derivation) annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil
3. something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry"
(synonym) concern, worry, headache
(hypernym) negative stimulus
(hyponym) bugaboo
(derivation) worry, vex
4. the act of troubling or annoying someone
(synonym) annoyance, annoying, irritation
(hypernym) mistreatment
(hyponym) exasperation
(derivation) annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil