felo-de-se

1 of 2

noun (1)

plural felones-de-se fə-ˌlō-(ˌ)nēz-də-ˈsā How to pronounce felo-de-se (audio)
-ˈsē
or felos-de-se ˌfe-lōz-də-ˈsā How to pronounce felo-de-se (audio)
-ˈsē
1
: a person who ends their own life or who dies from the effects of having committed an unlawful malicious act
2
: the act of ending one's own life : suicide

felon de se

2 of 2

noun (2)

variants or felon of oneself
plural felones de se or felons of oneself
obsolete

Word History

Etymology

Noun (1)

Medieval Latin felo de se, fello de se, literally, evildoer in respect to oneself

Noun (2)

felon de se partial translation of Medieval Latin felo de se; felon of oneself translation of Medieval Latin felo de se

First Known Use

Noun (1)

1567, in the meaning defined at sense 1

Time Traveler
The first known use of felo-de-se was in 1567

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Cite this Entry

“Felo-de-se.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/felo-de-se. Accessed 10 Jun. 2026.

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