Not correct; erroneous or wrong. / Faulty or defective. / Inappropriate or improper.

An item or response that is incorrect.

The characteristic of being incorrect.

Lack of correction or discipline. / (neologism) A false correction.

plural of incorrection

(rare) Not corrected.

plural of incorrectness

Not politically correct; not conforming to correct political positions. / Not politically correct; considered to be disrespectful to a particular group of people.

In an incorrect manner.