Definition - Using the wrong word, e.g. saying disinterested (i.e. impartial) when you want to say uninterested (i.e. not interested).

1. As a language-change process, catachresis can also be viewed as a powerful source of creativity.

Etymology -
The word derives from the Greek katakhresthai, misuse of a word.

Oxford English Dictionary -
Its first citation is from 1589:
" Catachresis or the Figure of abuse."
(Puttenham Eng. Poesie (Arb.) 190 marg.,)

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