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1.
the act of taking pieces of what is being said, usually in a confusing fashion, and understanding the end result.
she interpolated what he meant, from what he was trying to say.
by magpies July 10, 2009
 
2.
to integrade or become part of a larger group
I interpolated with her friends.
by Jordan October 15, 2003
 
3.
A form of internal Polish rhetoric.
That guy's full of shite, it must come from his kin and how they interpolate.
by Baja Bug October 04, 2006