American Heritage Dictionary
(2)
Century Dictionary
(1)
GNU Webster's 1913
(1)
WordNet
(1)
Elsewhere on the web
Only a second act scene in a madhouse was unconvincing, and the last 20 minutes felt terribly rushed - mainly a problem in the writing, as Wheeler tries almost frantically, and melodramatically, to wrap everything up.— Rochester City Newspaper
D.C., will be a madhouse, and the experience will be fraught with hassles (like finding a restroom).— Infoworld News
If Washington were not a madhouse, the Democrats would have themselves kicked Frank off the committee.— Tammy Bruce

Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word several times a year.