English Reference
Idiom idiom

mission creep


Gradual unplanned expansion of the objectives, scope, and/or cost of a project, especially a military mission.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The project is suffering from mission creep.

CONTEXTUAL

We started with a simple website, but constant new requests have led to serious mission creep.

COMPLEX

The committee warned that without strict oversight, the initiative would inevitably succumb to mission creep, eventually exhausting the entire budget.


Last updated August 10, 2026