0 a person who likes to be politically independent and does not support or remain loyal to any political group:
"If a group of responsible citizens asks me to come and speak, should I measure whether they are Democrats or Republicans or mugwumps before I go?" he asked.
We support campaign finance reform, not because it will do us any good personally but because we're high-minded Mugwumps at heart.
The first sign of a mutton-headed mugwump is that he contradicts himself in the same article.
