Definition of Crummy

Babylon English Dictionary
disgusting; inferior
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Crummy Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(a.)
Soft, as the crumb of bread is; not crusty.
  
(a.)
Full of crumb or crumbs.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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crummy
\crum"my\ (krŭm"m&ybreve;), a.
1. full of crumb or crumbs.
2. soft, as the crumb of bread is; not crusty.
crummy
adj : (informal) of very poor quality [syn: bum, cheap, cheesy, chintzy, punk, sleazy, tinny]



ENGLISH IDIOMS 2.EDITION
poor quality, lousy, shabby We cancelled the picnic because of the crummy weather.
English Idioms WM 1.3a
poor quality, lousy 
We canceled the picnic because of the crummy weather.
Australian Slang
very inferior, mean, or shabby
English Slang Dictionary v1.2
inadequate or displeasing
WordNet 2.0

Adjective
1. of very poor quality
(synonym) bum, cheap, cheesy, chintzy, punk, sleazy, tinny
(similar) inferior
(classification) colloquialism
Crummy Definition from Business & Finance Dictionaries & Glossaries
Railroad-Related Terms
A wooden, two truck or bobber trucked, caboose. Also called a way car, hack or, in the days of living in them, a bean shack