from The American Heritage® Dictionary of the English Language, 4th Edition
- n. One who worries excessively and needlessly.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who worries excessively, especially about unimportant matters.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. thinks about unfortunate things that might happen
Attested 1956, I. BELKNAP Human Problems of State Mental Hospitals x. 177 In cartoon Out Our Way by J. R. Williams, there is a character by that name. Earlier examples from newspapers of the 1930s and 1940s. (Wiktionary)