annoyance
an-noy-ance
noun
A feeling of slight irritation or displeasure.
"Her constant humming caused him much annoyance."
noun
Something that is bothersome or a source of irritation.
"The buzzing fly was a minor annoyance."
Thesaurus
Synonyms: aggravator, vexation, chafe, irritation, botheration, annoying, pain, nuisance, pain in the ass, pain in the neck, bother, infliction