1. The sediment of liquor; grounds; waste or worthless matter; refuse; the lowest class, viewed as worthless.

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

• dregee,
• creps,
• drwers,
• drnks,
• drems,
• drigs,
• dawgs,
• dreds,
• druygs,
• drungs,
• derees,
• durgs,
• drages,
• dereks,
• regs,
• dres,
• drwas,
• dreggs,
• dregees,
• dreege

• drogue,
• Drugs,
• treks,
• drees,
• drowsy,
• drosky,
• drowse,
• dreg,
• drake,
• dryas,
• dreese,
• DREWS,
• drug,
• Druse,
• drags,
• driggs,
• drage,
• Drago,
• dries,
• dress,
• drag,
• dross,
• drewes,
• Draggoo,
• dragee,
• Dragoo,
• dressy,
• Druze.

The adjective form of the word "dregs" is "dreggy".