Abrogate

Ambient

Asperity

1. To declare null or void; to repeal, cancel

2. Completely surrounding, encompassing

3. Roughness, severity; bitterness

Burnish

Cabal

Delectable

1. To polish, to make shiny or smooth by rubbing

2. A small group working in secret

3. Delicious; highly enjoyable

Deprecate

Detritus

Ebullient

1. To belittle, to express mild disapproval

2. Loose bits and pieces of material resulting from wearing away; debris, ruins

3. Overflowing with enthusiasm and excitement; boiling, bubbling

Eclectic

Flaccid

Impecunious

1. Drawn from various sources; one whose beliefs are drawn from various sources

2. Limp, lacking vigor or effectiveness

3. Having little or no money, penniless, impoverished

Inexorable

Moribund

Necromancer

 1. Inflexible, beyond influence; unyielding, relentless

2. Dying, "on the way out"

3. One who claims to be able to influence/reveal the future through magic; a sorcerer

Onerous

Rife

Rudiments

1. Burdensome; involving hardship or difficulty

2. Common, prevalent, happening often; plentiful, abundant

3. The parts of any subject that are learned first; the earliest stages of anything, the fundamentals 

Sequester

Winnow

1. To set apart, separate for a special purpose

2. To get ride of something unwanted, to delete; to sift through to obtain something desirable