hypercorrect

Nonstandard because of a mistaken idea of standard usage.

Adjective

Back-formation from hypercorrection, equivalent to hyper- + correct.

To change (a word or phrase) to a nonstandard form, or to another option among a set of accepted alternative-form options, in the mistaken belief that the form used was wrong.
- I use reduplicate to mean "redouble," though both words should mean "quadruple," but English is funny that way, so hold off on the hypercorrecting "gotcha!" - 2007 October 28, William Safire, “And Now This”, in The New...
To correct excessively.
- Likewise, both the chapcha that accompanies the modern Hebrew handshake and the explicit demand to shake hands like a "male" stem from the need to overcompensate (or hypercorrect) for the effeminacy, passivity,...
- But their different life stages also provide the writers with much-needed fuel for conflict. It would be tempting to hypercorrect for the negative media representation of bisexuals by making Darryl infallible, but it's...
- Let everything stand as it was tweeted or posted. We're not fooling anyone by pretending that people don't make typos, that they always know how to spell things correctly, or that they care about standard capitalization...