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informal Someone who is excessively, compulsively, or needlessly worrisome or fretful. Sometimes spelled as two words. That's the last time I go backpacking with John. He was just an insufferable worrywart for the whole trip! I know I seem like a worry wart about this proposal, but we must be absolutely sure that everything is done to the letter of the law.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
someone who worries all the time. Don't be such a worrywart. I'm sorry I'm such a worrywart.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
n. someone who worries all the time. Don’t be such a worry wart.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
A person who agonizes unduly, anticipating failure or disaster or other misfortune. This slangy term, also spelled worrywart, dates from about 1930. For example, “‘So who’s alarmed?’ I asked. . . . ‘You were, Mr. Worrywart. You saw the Health truck outside and what did you think? Sickness’” (James Patterson, London Bridges, 2004). See also nervous Nellie.
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer