from The Century Dictionary and Cyclopedia

  • n. (noun) A dictionary of synonymous words.
  • from Wiktionary, Creative Commons Attribution/Share-Alike License

    • n. (noun) A thesaurus.


  • Some of those early dictionaries, or lexicons, were arranged not alphabetically by word but by subject; some were simply dictionaries of difficult words; some merely synonymicons, or synonym dictionaries.

    Three Great Lexicographers and a Madman

  • Let's just take a look at a couple of non-new (at least 10 years old) synonymicons (yes, it's a rare but cultivated word for dictionary) for their descriptions.

    Ain't you gonna read this? Herald-Journal


'Synonymicon' is made up of 'synonym,' which comes from the Greek word meaning 'word having the same sense as another,' and the Greek 'eikon,' likeness, image, portrait.