1. To break into crumbs.

2. Full of crumbs; soft.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• crupy,
• grummy,
• creemy,
• cramy,
• crampy,
• crammy,
• grumby,
• cremy,
• crums,
• scrummy,
• crumes,
• cruzy,
• grummpy,
• crumy,
• crumpy,
• frommy,
• grimmy,
• creammy,
• trumma,
• commy

• creamy,
• cromie,
• cram,
• crime,
• grumpy,
• crume,
• crum,
• Croom,
• crony,
• Crimi,
• crimea,
• crumb,
• cryan,
• craun,
• CROM,
• CRIM,
• cream,
• crumm.

The adjective form of "crummy" is "crummier".

The plural of the "crummy" can be the "crummies".

The singular of the "crummy" can be the "crummy".