Definitions

1. verb

to cause to lose knowledge or skill, especially by not using or practicing it.

“The lack of practice would unteach the child how to play the piano.”

2. verb

to make someone forget something or lose their understanding of it.

“The confusing explanation would unteach the audience about the main concept.”

3. noun

the act of causing someone to lose knowledge or skill.

“The long period of unemployment was a process of unteach.”