US /ˈɹɑtn̩/ UK /ˈɹɒtn̩/
adj adv Freq #3342

Meanings

  1. 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.

  2. 2
    adj

    In a state of decay; soft and falling apart.

    The old wooden floorboards were rotten and unsafe.

  3. 3
    adj

    Very bad or unpleasant.

    We had rotten weather for the whole holiday.

  4. 4
    adj

    Cruel, mean, or unkind.

    It was a rotten thing to say to your sister.

  5. 5
    adv

    To an extreme degree; thoroughly.

    Their grandparents spoil the kids rotten.

Thesaurus

Synonyms
1 adj · decayed and no longer fit... spoileddecayedputrid
2 adj · in a state of decay; soft... decayed
3 adj · very bad or unpleasant. awfullousy
4 adj · cruel, mean, or unkind. cruel
More badmaggoted
Opposites
Word family
Forms rottenness
Derived forms rottenedrottenishrottenlyrottennessrottenstoneunrotten
Related forms fermentedsaprogenicstale

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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