Definition of "Thing" :

noun: a separate and self-contained entity

noun: an action

"How could you do such a thing?."

noun: an artifact

"How does this thing work?."

noun: an entity that is not named specifically

"I couldn't tell what the thing was."

noun: any attribute or quality considered as having its own existence

"The thing I like about her is ...."

noun: a vaguely specified concern

"Things are going well."

noun: a special abstraction

"A thing of the spirit."

noun: a special objective

"The thing is to stay in bounds."

noun: a statement regarded as an object

"To say the same thing in other terms."

noun: an event

"A funny thing happened on the way to the...."

noun: a persistent illogical feeling of desire or aversion

"He has a thing about seafood."

noun: a special situation

"This thing has got to end."