Meanings
nounsimultaneity (countable and uncountable, plural simultaneities)
plural simultaneities
- countableuncountableThe quality or state of being simultaneous; simultaneousness.
- countableuncountableentertainmentMore than one complete musical texture occurring at the same time. This first appeared in the music of Charles Ives, and is common in the music of Conlon Nancarrow, and others.
Synonyms & antonyms
Similar
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From simultane(ous) + -ity. By surface analysis, simult(aneous) + -aneity. Compare French simultanéité.
Full word history & related roots →Translations
Bulgarian едновременност
- едновременност (ednovremennost)the quality or state of being simultaneous
Catalan simultaneïtat
- simultaneïtatthe quality or state of being simultaneous
Chinese Mandarin 同時性 /同时性, 同時性 /同时性
- 同時性 /同时性 (tóngshíxìng)the quality or state of being simultaneous
- 同時性 /同时性 (tóngshíxìng)simultaneity in music
Danish samtidighed
- samtidighedthe quality or state of being simultaneous
Dutch gelijktijdigheid
- gelijktijdigheidthe quality or state of being simultaneous
Esperanto samtempeco
- samtempecothe quality or state of being simultaneous
Finnish samanaikaisuus, samanaikaisuus
- samanaikaisuusthe quality or state of being simultaneous
- samanaikaisuussimultaneity in music
- simultaanisuussimultaneity in music
French simultanéité
- simultanéitéthe quality or state of being simultaneous
German Gleichzeitigkeit, Simultanität
- Gleichzeitigkeitthe quality or state of being simultaneous
- Simultanitätthe quality or state of being simultaneous
Hungarian egyidejűség
- egyidejűségthe quality or state of being simultaneous
Italian simultaneità
- simultaneitàthe quality or state of being simultaneous
Polish jednoczesność, równoczesność
- jednoczesnośćthe quality or state of being simultaneous
- równoczesnośćthe quality or state of being simultaneous
Portuguese simultaneidade
- simultaneidadethe quality or state of being simultaneous
Romanian simultaneitate
- simultaneitatethe quality or state of being simultaneous
Russian одновре́ме́нность
- одновре́ме́нность (odnovréménnostʹ)the quality or state of being simultaneous
Spanish simultaneidad
- simultaneidadthe quality or state of being simultaneous
Swedish samtidighet
- samtidighetthe quality or state of being simultaneous
Tagalog pagkakasabay-sabay
- pagkakasabay-sabaythe quality or state of being simultaneous
Ukrainian одноча́сність
- одноча́сність (odnočásnistʹ)the quality or state of being simultaneous
Rhymes & wordplay
Rhymes with simultaneity
All rhymes →Cite this entry
APA
simultaneity. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/simultaneity
MLA
“simultaneity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/simultaneity. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “simultaneity,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/simultaneity.
Source: simultaneity on Wiktionary, CC BY-SA 4.0.