rottenly

rot·ten  (rtn)

adj. rot·ten·er, rot·ten·est

1. Being in a state of putrefaction or decay; decomposed.

2. Having a foul odor resulting from or suggestive of decay; putrid.

3. Made weak or unsound by rot: rotten floorboards.

4. Morally corrupt or despicable: She's rotten to the core.

5. Very bad; wretched: rotten weather.

adv.

To a very great degree: The child is spoiled rotten.

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[Middle English roten, from Old Norse rotinn.]

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rotten·ly adv.

rotten·ness n.

Thesaurus

Adv.

1.

rottenly - in a terrible manner; "she sings terribly" abysmally, atrociously, abominably, terribly, awfully