Meaning: Causing trouble; annoying.
Synonyms: Annoying, vexing, mean, ugly, nettlesome, disturbing, troublesome, irksome, peeving, provoking, wicked, vexatious.
In Hindi: परेशान, दुखदायी.
Use: Letting go of pesky things in your mind can be difficult, so to make this task easier divide the items on your list into categories.
I’ve been trying to get rid of this pesky cold for weeks.