Dictionary
rad-lib
Pronunciation: (rad'lib'), [key] Informal.
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n.
Usually Disparaging.a liberal, esp. a liberal politician, considered to have radical or extremist tendencies.
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adj.
being or of such a liberal; liberal tending toward radical:
The congressman accused his opponent of holding rad-lib ideas. Also,rad'/lib'.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.