noun
1.
Synonyms: annoyance 3, besetment, bother, botheration, botherment, exasperation, irritant, nuisance, pester, plague
Related Word: bane, trouble, vexation, worry
Idioms: *pain in the ass, pain in the neck, pea in the shoe, thorn in the flesh
2.
one who pesters or annoys
a little pest who constantly asked questions
Synonyms: nudnick, nuisance, pesterer
Related Word: badgerer, heckler, tormentor
Idioms: *pain in the ass, pain in the neck