vexation
1. [ noun ] anger produced by some annoying irritation
Synonyms: annoyance chafe
Related terms: anger aggravation displeasure pique harassment frustration
2. [ noun ] something or someone that causes anxiety; a source of unhappiness
Synonyms: worry headache concern
Examples:

"New York traffic is a constant concern" "it's a major worry"

Related terms: negative_stimulus business burden bugaboo worry concern worry
3. [ noun ] the psychological state of being irritated or annoyed
Synonyms: irritation annoyance
Related terms: psychological_state botheration restlessness pinprick snit bummer huff
4. [ noun ] the psychological state of being irritated or annoyed
Synonyms: irritation annoyance botheration
Related terms: irritation psychological_state restlessness huff pinprick bummer snit annoy trouble
5. [ noun ] the act of troubling or annoying someone
Synonyms: annoying irritation troubling annoyance
Related terms: mistreatment exasperation red_flag annoy