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 )

Example Sentences

This kind of attack is time-sensitive: it requires knowing precisely when and where a target is going to be.

From The Daily Beast

It is the single normal way to develop a new generation of strong, healthy, iron men, with at the same time sensitive souls.

From Project Gutenberg