from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Chiefly British Slang Disorderly or chaotic: "[The country's] transportation system is in a shambolic state” ( London Sunday Times).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. chaotic, disorganised or mismanaged
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. (British slang) disorderly or chaotic
Probably from alteration of shambles.(American Heritage® Dictionary of the English Language, Fourth Edition)
1970. shambles + -ic (“(adjective)”), plus interconsonantal -o-, to avoid /mbl/ consonant cluster. (Wiktionary)