Hypercorrection

noun

1. A construction or pronunciation produced by mistaken analogy with standard usage out of a desire to be correct, as in the substitution of I for me in on behalf of my parents and I.
2. The production of such a construction or pronunciation.
3. The use of a nonstandard form due to a belief that it is more formal or more correct than the corresponding standard form.
4. A nonstandard form so used.