[/nq] Usually it refers to a person's readiness to speak his or her mind honestly rather than in deference to some sort of self-interested agenda. For example, a politician who supports a particular policy not because he honestly believes in it, but because he thinks he can further his own selfish interests, or those of his cronies, by supporting it, would be considered "intellectually dishonest" (if not downright crooked). The charge is not limited to politicians, though.
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