from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A man who is or seems to be mentally ill.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A male who is insane or mentally disturbed.
from the GNU version of the Collaborative International Dictionary of English
- n. A man who is mad; lunatic; a crazy person.
from The Century Dictionary and Cyclopedia
- n. A man who is insane; a distracted man; a lunatic; a crazy person.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an insane person
mad + -man (Wiktionary)