time-sensitive

[ tahym-sen-si-tiv ]
/ ˈtaɪmˌsɛn sɪ tɪv /

adjective

(of a product, document, or information) useful or relevant for only a limited amount of time: These time-sensitive papers must be signed immediately.
Chemistry. having properties that physically change with the passage of time: When stored for prolonged periods, time-sensitive chemicals can become extremely hazardous.

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Origin of time-sensitive

First recorded in 1925–30; time + sensitive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for time-sensitive

British Dictionary definitions for time-sensitive

time-sensitive

adjective

physically changing as time passes
only relevant or applicable for a short period of time
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