rotten
rot‧ten1 /ˈrɒtn $ ˈrɑːtn/ 
adjective
the smell of rotten eggs
Some of the wood was completely rotten.
The apples went rotten very quickly.
2. informal very bad
SYN terrible:
What rotten luck!
a rotten idea
The service was rotten.
He’s a rotten driver.
3. informal if someone is rotten, they are unpleasant, unkind, or dishonest:
Why are you being so rotten?
a rotten little brat
4. feel rotten
a. to feel ill
b. to feel unhappy and guilty about something:
I felt rotten about lying to him.
5. [only before noun] spoken used when you are angry:
I don’t want your rotten money!
6. rotten to the core extremely dishonest:
The whole government is rotten to the core.
7. a rotten apple one bad person who has a bad effect on all the others in a group
—rottenness noun [uncountable]
rotten2 adverb informal
1. spoil somebody rotten to treat someone too well or too kindly, especially a child, so that they think they should always have what they want:
He was the favorite, and his mother spoiled him rotten.
2. fancy somebody rotten British English to be extremely attracted to someone in a sexual way – used humorously
| I |
adjective Date: 1200-1300
Language: Old Norse
Origin: rotinn
1. badly decayed and no longer good to use:Language: Old Norse
Origin: rotinn
2. informal very bad
SYN terrible:
3. informal if someone is rotten, they are unpleasant, unkind, or dishonest:
4. feel rotten
a. to feel ill
b. to feel unhappy and guilty about something:
5. [only before noun] spoken used when you are angry:
6. rotten to the core extremely dishonest:
7. a rotten apple one bad person who has a bad effect on all the others in a group
—rottenness noun [uncountable]
| II |
adverb informal1. spoil somebody rotten to treat someone too well or too kindly, especially a child, so that they think they should always have what they want:
2. fancy somebody rotten British English to be extremely attracted to someone in a sexual way – used humorously