pesky

As adjectives the difference between pesky and false

is that pesky is annoying, troublesome, irritating while false is (label) one of two states of a boolean variable; logic.

As adjectives the difference between pesky and undefined

is that pesky is annoying, troublesome, irritating while undefined is lacking a definition or value.

As a verb bespy

is to send spies to; beset with espionage.

As an adjective pesky is

annoying, troublesome, irritating.

As adjectives the difference between tedious and pesky

is that tedious is boring, monotonous, time consuming, wearisome while pesky is annoying, troublesome, irritating.

As adjectives the difference between nasty and pesky

is that nasty is while pesky is annoying, troublesome, irritating.

As a noun nasty

is (lb) something nasty.

As an adjective pesky

is annoying, troublesome, irritating.

As a verb trouble is

.

As adjectives the difference between irksome and pesky

is that irksome is disagreeable or troublesome by reason of long continuance or repetition; bothersome; annoying; irritating; wearisome; tedious while pesky is annoying, troublesome, irritating.

As an adjective pesky

is annoying, troublesome, irritating.

As a noun null is

zero, nil; the cardinal number before einn.

As an adjective pesky

is annoying, troublesome, irritating.

As a noun pest is

a plague, pestilence, epidemic.