Wordiyo
RootsVocabularyCoursesGuidesMy WordsPricing
Wordiyo

Build your English vocabulary systematically through roots and etymology.

Explore

  • Roots
  • Vocabulary
  • My Words

Learn

  • Guides
  • Pricing

Company

  • About
  • Terms
  • Privacy

© 2026 Wordiyo.

  1. Home
  2. /sim
  3. /simultaneous

simultaneous

UK/,siməl'teiniəs/US/.simәl'teinjәs/
IELTSTOEFLGREB2

Definitions

adj.

Happening or done at exactly the same time

同时发生的,同时进行的

Root Breakdown

Root-derived
simullike, same, similar
+
-taneoushold, keep
=simultaneous

From Latin simul ('at the same time') + -taneous (adjective ending, on the model of instantaneous). The 'sameness' here is in time, not appearance — this is the time branch of the root.

Root sim still carries 56 more words

Common Collocations

  • 1.simultaneous translation同声传译
  • 2.simultaneous broadcast同步播出
  • 3.simultaneous equations联立方程
  • 4.nearly simultaneous几乎同时

Example Sentences

  • 1.

    The two explosions were almost simultaneous.

  • 2.

    The conference offers simultaneous translation in five languages.

  • 3.

    Solve the simultaneous equations to find x and y.

← Back to sim