What does expend mean?
To expend is to spend or use up something valuable — money, time, energy, or resources — typically in service of a purpose. The verb is formal in tone, appearing more often in writing than in everyday speech, where simpler words like 'spend' or 'use up' take its place. It frequently carries a suggestion of cost or depletion: one expends effort precisely because that effort is finite and not easily recovered. Common pairings include 'expend energy', 'expend resources', and 'expend time and money'. The word derives from the Latin 'expendere', meaning to weigh out or pay, sharing its root with 'expense', 'expensive', and even 'pension'. Its derivatives include 'expenditure', the noun for what is spent, and 'expendable', describing something regarded as usable up and ultimately disposable. Because it emphasizes deliberate consumption toward a goal, 'expend' is especially useful in discussions of budgets, strategy, physical exertion, and resource management.
verbTo spend or use up money, time, energy, or resources, especially in the performance of a task or pursuit of a goal.
- To spend or use up (money) in payment or purchase.
- To consume or use up (energy, time, effort, or resources), often with an implication of depletion.
"The team expended considerable effort to meet the deadline."
"The company expended millions on research before the product ever reached the market."
"She had expended so much energy on the project that she fell asleep as soon as she got home."
'Expend' and 'pension' are cousins — both trace back to Latin 'pendere', to weigh out payment, which is why expending energy feels a bit like paying a bill.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of expend
Expend comes from the Latin verb 'expendere', formed from 'ex-' (out) and 'pendere' (to hang, weigh, or pay), originally meaning to weigh out money in payment. It entered English in the early 17th century via the same Latin root that gave us 'expense', 'expensive', 'pension', and 'compensate'. The underlying image of weighing out payment survives in the modern sense of deliberately using something up.
Related word forms
How expend is actually used
Formal in register; rare in casual conversation, where 'spend' or 'use up' usually appears instead. Often carries a connotation of significant or even excessive consumption — you expend effort when it costs you something. Frequently used in passive-like constructions such as 'no effort was spared' equivalents ('nothing was too much trouble') but most naturally takes abstract nouns like energy, effort, time, or resources as its object.
Easily confused with expend
'Expend' is a verb meaning to spend or use something up, while 'expense' is a noun referring to the cost itself.
'Expand' means to grow larger or more extensive, whereas 'expend' means to use up or consume.