Chinese synonyms can also be divided into two kinds: equal synonyms (or complete synonyms) and approximate synonyms.

Including homologous relations; Dialects synonyms; Original characters and Phonetic load characters relations; Variant form characters relations.

For a long time, we always focus on the relationship of word meanings, such as polysemy, homonymy, synonym and antonymy, however, contronym or we can call it auto-antoymy was ignored.