Meanings
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1
adj
Decayed and no longer fit to eat or use, especially of food.
The apples at the bottom of the basket had gone rotten.
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2
adj
In a state of decay; soft and falling apart.
The old wooden floorboards were rotten and unsafe.
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3
adj
Very bad or unpleasant.
We had rotten weather for the whole holiday.
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4
adj
Cruel, mean, or unkind.
It was a rotten thing to say to your sister.
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5
adv
To an extreme degree; thoroughly.
Their grandparents spoil the kids rotten.
Thesaurus
Etymology
From Middle English roten, from Old Norse rotinn (“decayed, rotten”), past participle of an unrecorded verb related to Old Norse rotna (“to rot”) and Old English rotian (“to rot”), ultimately from Proto-Germanic *rutāną (“to rot”). See rot. By surface analysis, rot + -en (past participle).
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