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simultaneous

[sahy-muh l-tey-nee-uh s, sim-uh l-] /ˌsaɪ məlˈteɪ ni əs, ˌsɪm əl-/
adjective
1.
existing, occurring, or operating at the same time; concurrent:
simultaneous movements; simultaneous translation.
Origin
1650-1660
1650-60; < Latin simul together (see similar) + (instan)taneous
Related forms
simultaneously, adverb
simultaneousness, simultaneity
[sahy-muh l-tuh-nee-i-tee, sim-uh l-] /ˌsaɪ məl təˈni ɪ ti, ˌsɪm əl-/ (Show IPA),
noun
nonsimultaneous, adjective
nonsimultaneously, adverb
unsimultaneous, adjective
unsimultaneously, adverb
unsimultaneousness, noun
Synonyms
synchronous, coincident.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for simultaneously
  • When underwater, the animals pushed water past their gills while simultaneously pushing the glottis down.
  • They were both bright and sensitive artists, living simultaneously, two ways of life.
  • He was never at one side of a room and simultaneously at the other side of the same room.
  • The island seems marked in some unusual way, simultaneously favored and cursed.
  • The imager can take pictures of the sun in ten light wavelengths simultaneously every ten seconds.
  • Her research focuses on simultaneously achieving global food security and mitigating climate change.
  • Suddenly the cell phones of both officials rang simultaneously.
  • He simultaneously rebuffs and courts interpretation.
  • She is simultaneously attracted to bodies-they can dance a minuet, for example-and disturbed by their corporeality.
  • The idea that your palate and your vocabulary expand simultaneously might sound felicitous, but there is a catch.
British Dictionary definitions for simultaneously

simultaneous

/ˌsɪməlˈteɪnɪəs; US ˌsaɪməlˈteɪnɪəs/
adjective
1.
occurring, existing, or operating at the same time; concurrent
noun
2.
(chess) a display in which one player plays a number of opponents at once, walking from board to board Sometimes shortened to simul
Derived Forms
simultaneously, adverb
simultaneousness, simultaneity (ˌsɪməltəˈniːɪtɪ; US) (ˌsaɪməltəˈniːɪtɪ) noun
Word Origin
C17: formed on the model of instantaneous from Latin simul at the same time, together
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for simultaneously

simultaneous

adj.

1650s, from Medieval Latin simultaneus, perhaps from simultim "at the same time," extended from Latin simul "at the same time" (see similar (adj.)), or from simul with ending abstracted from Late Latin spontaneus, where the -t- is organic. Related: Simultaneously.

Online Etymology Dictionary, © 2010 Douglas Harper
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