Interesting, If you have
WordNet installed it should be an easy mod to use WordNet instead of your own word list. Just the words that come with spell(1).
Code:
% wn `shuffle < wordlist | head -n 1` -over
Overview of verb tyrannize
The verb tyrannize has 2 senses (no senses from tagged texts)
1. tyrannize, tyrannise, grind down -- (rule a country as a tyrant)
2. tyrannize, tyrannise, domineer -- (rule or exercise power over (somebody) in a cruel and autocratic manner; "her husband and mother-in-law tyrannize her")