English Reference

Word

expendable

Phoneticsex·pend·able

US/ɪkˈspɛndəbəɫ/

UK/ɛkspˈɛndəbəl/

Definition

adj. describing something or someone that is not very valuable and can be easily replaced or lost.

adj. capable of being sacrificed, discarded, or replaced without significant consequence. Often used in contexts of resource management or social hierarchy.

Examples

“The old car was finally expendable and we sold it.”

“In a high-stakes military operation, the soldiers were treated as expendable assets to protect the mission's success.”

“The CEO argued that the outdated software was expendable, but the IT department warned that its removal would cause immediate systemic failures across the network.”

Examples

simple

“The old car was finally expendable and we sold it.”

contextual

“In a high-stakes military operation, the soldiers were treated as expendable assets to protect the mission's success.”

complex

“The CEO argued that the outdated software was expendable, but the IT department warned that its removal would cause immediate systemic failures across the network.”

Real-World Examples

“Rocket Lab’s Neutron vehicle can loft 13 metric tons to low-Earth orbit in a reusable model and 15 tons in expendable.”
Ars Technica · 17 Aug 2026
“Ultimately, the Shuttle was outclassed, at least on a commercial basis, by lower-cost expendable rockets.”
Ars Technica · 9 Jul 2026

Etymology

From expend + -able.

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

This entry

Level
C1 · Advanced
Frequency
Occasional
Updated

Scan code

englishreference.com/q/expendable

English Reference