This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. One who dithers; one who is unable to decide; a procrastinator.

"Guaranteed bloodbath for the anti-American Radical Fringe Democratic Party in 2010 and as far as 2012 (if the ditherer is not impeached first) the end of the Marxist in chief."