Expendable means able to be given up or used up without great loss. Expendable supplies, treated as expendable, an expendable asset.
Applied to things it is neutral logistics. Applied to people it is one of the coldest words there is, and it is nearly always used to complain about how somebody was treated rather than to describe anybody honestly.
1adjectiveexpendableAble to be given up or used up without great loss.
“When money got tight, the company decided the staff parties were expendable.”
expendable is a quality.
From expend + -able.
Etymology from Wiktionary, CC BY-SA