Hip
Part of speech: noun
Definition: The outward-projecting parts of the pelvis and top of the femur and the overlying tissue. The fruit of a rose. The inclined external angle formed by the intersection of two sloping roof planes.
Part of speech: adjective
Definition: aware, informed, up-to-date, trendy
Example sentence: I worked in this bar called the Raincheck Room in the '60s; it used to be over on Santa Monica Boulevard, and, y'know, it was a pretty hip place. Lots of actors hung out there.
Informed
Part of speech: verb
Definition: To instruct, train (usually in matters of knowledge).
Example sentence: Being adequately informed is a democratic duty, just as the vote is a democratic right. A misinformed electorate, voting without knowledge, is not a true democracy.