Definition
Catachresis is the use of a word in an incorrect way, often creating a mixed metaphor or strained analogy. It's like saying 'a sea of troubles' (Hamlet), where 'sea' is used metaphorically to describe a large amount of something unpleasant. This technique often results from a lack of a better word or a desire to create a unique effect. It can be intentional for humorous or artistic purposes, or unintentional due to misuse. Think of it as bending the rules of language to create something new.