noun

1. A small van, bus, or railway car used to transport loggers or other resource workers to and from the worksite.

2. A cow with a crumpled horn.

adjective

1. Bad; poor.

   “Do not bother buying crummy knives if you are serious about cooking.”

2. Full of crumb or crumbs.

3. Soft, like the crumb of bread; not crusty.

Synonyms: crumby