split-second

adjective split-sec·ond \ ˈsplit-ˈse-kənd \

Definition of split-second

1 : occurring in a split second
  • a split-second decision
2 : extremely precise
  • split-second timing

First Known Use of split-second

1944


split second

noun

Definition of split second

: a fractional part of a second : flash

Examples of split second in a Sentence

  1. In a split second, it was all over.

  2. a devastating accident can cause everything in your life to change in a split second

Recent Examples of split second from the Web

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

First Known Use of split second

1912



SPLIT-SECOND Defined for English Language Learners

split-second

adjective

Definition of split-second for English Language Learners

  • : done very quickly

  • : very accurate or precise


split second

noun

Definition of split second for English Language Learners

  • : a very short period of time



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