In sociolinguistics, hypercorrection is non-standard use of language that results from the over-application of a perceived rule of language-usage prescription. ... Hypercorrection can occur in many languages and wherever multiple languages or language varieties are in contact.

What is hyper correctness?

adjective. overly correct; excessively fastidious; fussy: hypercorrect manners. of, relating to, or characterized by hypercorrection.

What is an example of hypercorrection?

Hypercorrection is what occurs when someone deliberately tries to avoid making an error in the use of language but overcompensates and in so doing makes another error. The classic example of hypercorrection is the use of “you and I” when “you and me” would actually be correct.