What is the antonym of taught?

The antonym of "taught" depends on the context. Here are a few possibilities:

* Untaught: This is the most direct antonym, meaning "not taught" or "lacking knowledge."

* Learned: This implies the opposite of being taught, which is to acquire knowledge independently.

* Ignorant: This describes someone who is lacking knowledge or understanding.

* Uninstructed: This means "not given instruction" or "not trained."

* Uneducated: This implies a lack of formal education or training.

The best antonym will depend on the specific situation and the intended meaning.