fib
UK[fɪb]US[fɪb]
n
A small or unimportant lie.
v
To tell a small or unimportant lie.
Etymology
The origin of 'fib' is obscure, emerging in English slang around the 16th century. It is considered a euphemistic term, possibly a playful alteration of the word 'fable' to denote a trivial untruth. This linguistic softening reflects a social tendency to create less harsh words for minor social transgressions. Its concise, lighthearted sound has helped it endure as the standard term for a harmless or petty falsehood.
Analysis
The word 'fib' is a simplex word. It is a slang term of uncertain origin, possibly a shortening or alteration of an earlier word.
Examples
He told a little fib about finishing his homework.
Don't fib to me; I know you ate the last cookie.
It was just a harmless fib to spare her feelings.