simultaneous

play
adjective si·mul·ta·neous \ˌsī-məl-ˈtā-nē-əs, -nyəs also ˌsi-\

Definition of simultaneous

  1. 1 :  existing or occurring at the same time :  exactly coincident

  2. 2 :  satisfied by the same values of the variables simultaneous equations

simultaneity

\ˌsī-məl-tə-ˈnē-ə-tē, -ˈnā- also ˌsi-\ noun

simultaneously

play \ˌsī-məl-ˈtā-nē-əs-lē, -nyəs- also ˌsi-\ adverb

simultaneousness

noun

Examples of simultaneous in a Sentence

  1. The two gunshots were simultaneous.

  2. a simultaneous release of the movie and its soundtrack on CD

Recent Examples of simultaneous from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'simultaneous'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of simultaneous

Latin simul at the same time + English -taneous (as in instantaneous) — more at same

Synonym Discussion of simultaneous

contemporary, contemporaneous, coeval, synchronous, simultaneous, coincident mean existing or occurring at the same time. contemporary is likely to apply to people and what relates to them. Abraham Lincoln was contemporary with Charles Darwin contemporaneous is more often applied to events than to people. contemporaneous accounts of the kidnapping coeval refers usually to periods, ages, eras, eons. two stars thought to be coeval synchronous implies exact correspondence in time and especially in periodic intervals. synchronous timepieces simultaneous implies correspondence in a moment of time. the two shots were simultaneous coincident is applied to events and may be used in order to avoid implication of causal relationship. the end of World War II was coincident with a great vintage year

SIMULTANEOUS Defined for English Language Learners

simultaneous

play
adjective

Definition of simultaneous for English Language Learners

  • : happening at the same time


SIMULTANEOUS Defined for Kids

simultaneous

play
adjective si·mul·ta·neous \ˌsī-məl-ˈtā-nē-əs\

Definition of simultaneous for Students

  1. :  existing or taking place at the same time simultaneous events

simultaneously

adverb


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