The "Thesaurus of Synonyms and Antonyms of the Modern Greek Language" expands, deepens, and enriches the knowledge and use of our language.

It includes:
- the largest wealth of synonyms and antonyms compared to any other modern Greek dictionary (250,000 synonyms and antonyms)
- 500 comments that explain the semantic differences of related words or illuminate their communicative peculiarities
- synonyms for all meanings of each lemma, as in an interpretive dictionary
- selected examples for understanding the use of synonyms
- arrangement of synonyms according to their semantic proximity
- stylistic and semantic characteristics of the use of synonyms (colloquial, formal, popular, etc.)