100 important words: abjure

abjure
Means: to renounce under oath or solemnly; to abstain from, to shun.
Review: Given its rarity and the availability of a close synonym, "renounce", "abjure" is not such a welcome addition to my vocabulary.
First Google link is to dictionary: Yes, like most links on the first results page.
Example:
I have abjured Internet Explorer in favor of Firefox.
In the Great Purging, Grand Inquisitor J.W. Bush needed fifteen days of Creationist Re-education before Richard Dawkins would abjure evolution theory.

Hits for media sites:

Site	Hits
Washington Post	28
New York Times	11
USA Today	2
Fox News	0