vexation

n. state of being vexed; someone or something that vexes; act of vexing

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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

nf. 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.
  

Synonyms and related words:
abomination, affliction, aggravation, agitation, all-overs, angst, annoyance, anxiety, anxiety hysteria, anxiety neurosis, anxious bench, anxious concern, anxious seat, anxiousness, apprehension, apprehensiveness, atrocity, bad, bad news, bane, bedevilment, befoulment, blight, bore, bother, botheration, bothering, bothersomeness, bugbear, burden, calamity, cankerworm of care, care, concern, concernment, corruption, crashing bore, crushing burden, crying evil, curse, damage, death, defilement, despoliation, destruction, detriment, devilment, difficulty, disapprobation, disapproval, discontent, disease, displeasure, disquiet, disquietude, dissatisfaction, distress, disturbance, dogging, downer, drag, dread, evil, exasperation, fear, foreboding, forebodingness, grievance, harassment, harm, harrying, havoc, headache, hounding, hurt, ill, infection, infliction, injury, inquietude, irking, irritation, malaise, mischief, misgiving, molestation, nemesis, nervous strain, nervous tension, nervousness, nuisance, open wound, outrage, overanxiety, persecution, perturbation, pest, pestilence, pins and needles, plague, poison, pollution, problem, provocation, provoking, pucker, resentfulness, resentment, running sore, scourge, solicitude, stew, strain, suspense, tension, the worst, thorn, torment, toxin, trial, trouble, uneasiness, unquietness, upset, venom, vexatiousness, vexing, visitation, woe, worriment, worry, wrong, zeal