1.
Garbage is rubbish, especially waste from a kitchen. (mainly AM)
...a ~ bag.
...rotting piles of ~.
N-UNCOUNT
2.
If someone says that an idea or opinion is ~, they are emphasizing that they believe it is untrue or unimportant. (INFORMAL)
I personally think this is complete ~...
Furious government officials branded her story ‘~’.
= rubbish
N-UNCOUNT disapproval