Typical antonyms are good and bad; cheap and expensive, and so on.
- complementary antonyms
- Contranym - a word that is its own antonym.
- Converse antonyms
- gradable antonyms
A useful way of teaching vocabulary is to teach, for example, a few adjectives or verbs, with their corresponding antonyms and/or synonyms, the amount or difficulty/register possibly depending on the student's level or needs.