Esperanto

1 of 3

noun (1)

Es·​pe·​ran·​to ˌe-spə-ˈrän-(ˌ)tō How to pronounce Esperanto (audio) -ˈran-(ˌ)tō How to pronounce Esperanto (audio)
: an artificial international language based as far as possible on words common to the chief European languages
Esperantist noun or adjective

Esperantist

2 of 3

noun (2)

Es·​pe·​ran·​tist ˌespəˈrantə̇st How to pronounce Esperantist (audio)
-rän-
-raan-
-rȧn-
plural -s
: a specialist in Esperanto
also : one enthusiastic about the spread of Esperanto as an international language

Esperantist

3 of 3

adjective

: of or relating to Esperanto or Esperantists
the Esperantist stock of wordsFrederick Bodmer

Word History

Etymology

Noun (1)

Dr. Esperanto, pseudonym of L. L. Zamenhof †1917 Polish oculist, its inventor

First Known Use

Noun (1)

1887, in the meaning defined above

Time Traveler
The first known use of Esperanto was in 1887

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Cite this Entry

“Esperanto.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Esperanto. Accessed 18 Jun. 2026.

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