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1.
No true definition, best used in a manner by which the "true" definition cannot be confused with this word.
USAGE -

As a response to any question:
"It's contained."

When reserving a hotel room:
"Sir we do have one room, would you like that one?"
"Is it contained?"
"...what do you mean by contained?"
"I am asking if it is contained it is a simple yes or no question..."
etc....
by The PC Nerd August 15, 2005