noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The true name of a person.

   "“Samuel Langhorne Clemens” is the alethonym of “Mark Twain”."

Synonyms

All synonyms

autonymorthonym

Antonyms

All antonyms

allonymanonympseudonym

Example

More examples

"“Samuel Langhorne Clemens” is the alethonym of “Mark Twain”."

Etymology

From Ancient Greek ἀληθής (alēthḗs, “true”) and ὄνυμα (ónuma, “name”), equivalent to aletho- + -onym.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.