time-sensitive

[tahym-sen-si-tiv]

adjective

1. (of a product, document, or information) useful or relevant for only a limited amount of time.

   These time-sensitive papers must be signed immediately.

2. Chemistry.,  having properties that physically change with the passage of time.

   When stored for prolonged periods, time-sensitive chemicals can become extremely hazardous.

time-sensitive

adjective

1. physically changing as time passes

2. only relevant or applicable for a short period of time

Word History and Origins

Origin of time-sensitive¹

First recorded in 1925–30; time ( def. ) + sensitive ( def. )