- See: Antonym, Homonym, Polyseme.
- (Dextre Clarke et al., 2008) ⇒ Stella Dextre Clarke, Alan Gilchrist, Ron Davies and Leonard Will. (2008). “Glossary of Terms Relating to Thesauri and Other Forms of Structured Vocabulary for Information Retrieval." Willpower Information
- one of two or more terms whose meanings are considered to be the same in a wide range of contexts
- Abbreviations and their full forms may be treated as synonyms. e.g. HIV, human immunodeficiency virus; guarantees, warranties --- -