autodidact
Autodidact (noun) means a person who has taught themselves rather than learning through formal instruction. Example: “She was an autodidact who learned two languages from library books alone.”
How to use autodidact
Learner’s notesIn plain EnglishAn autodidact is simply someone who has taught themselves, without formal schooling in the subject.
This is a fairly formal, literary word, more common in writing than in everyday speech.
If you need the related adjective, autodidactic is the form to use.
Trace the full origin ↓Fill the gap
Can you complete this real example?
She was an _____ who learned two languages from library books alone.
Etymology
Autodidact comes from Ancient Greek autodidaktos, built from autos, meaning self, and didasko, meaning I teach. In English it can also be read simply as auto- joined to didact.