1、trash的同义词是rubbish。

2、trash释义：n.垃圾，废物；断枝，碎块；废话；社会渣滓。vt.废弃；拆毁；搞垮，贬低；从…上除去细枝或枝条。例句：The place got trashed last time we had a party.rubbish释义：n.垃圾；劣质物品；废话。adj.极不擅长的。v.贬低。例句：I've got so much rubbish on my desk it's unbelievable.