I. ˈpeskē, -ki adjective
( -er/-est )
Etymology: probably irregular from pest + -y
: giving rise to annoyance or vexation : troublesome
how to dress the wall behind the range is a pesky decorating problem — Marion Mayer
tired after that pesky train — Jean Stafford
II. adverb
: extremely , very — used as an intensive
those who are so pesky mean as to destroy library books — Star of Hope