1. bug - Noun
2. bug - Verb
3. Bug - Proper noun
A bugbear; anything which terrifies.
A general name applied to various insects belonging to the Hemiptera; as, the squash bug; the chinch bug, etc.
An insect of the genus Cimex, especially the bedbug (C. lectularius). See Bedbug.
One of various species of Coleoptera; as, the ladybug; potato bug, etc.; loosely, any beetle.
One of certain kinds of Crustacea; as, the sow bug; pill bug; bait bug; salve bug, etc.
Source: Webster's dictionaryThe difference between the right word and the almost right word is the difference between lightning and a lightning bug. Mark Twain
Spelling mistakes in a letter is like a bug on a white shirt. Faina Ranevskaya
It is better to be a young June Bug than an old Bird of Paradise. Mark Twain
He would slaughter a bug to drink its blood. Italian Proverb
An arrogant bug is a cocky roach. Colonial Proverb
Who sets a bug on its feet on the path will step up the staircase. Estonian Proverb