expendable
/iks'pendəbl/
Học thuậtThân thiện
Definition
- Adjective:
- Designed to be used up and then discarded or replaced: An "expendable" item is intended to be consumed, used, and not retained, often because it is relatively inexpensive or not meant to last.
- Not essential or important enough to be kept or saved; able to be sacrificed: A person, resource, or item considered "expendable" is viewed as not crucial to the main objective and can be sacrificed or lost if necessary.
Usage
- The adjective "expendable" describes items, resources, or even people that are not considered vital and can be used up, discarded, or sacrificed.
- It is often used in military, business, and resource management contexts.
- It typically carries a neutral or negative connotation, implying disposability or a lack of permanent value.
Examples
- Designed to be used up:
- Ballpoint pens are considered expendable office supplies.
- The rocket uses expendable fuel tanks that are jettisoned during flight.
- Able to be sacrificed:
- In the harsh logic of war, individual soldiers were sometimes seen as expendable.
- The manager viewed the temporary workers as expendable assets.
Advanced Usage
- "To be/consider something expendable": To be in a state or to judge something as being suitable for sacrifice or consumption.
- In a budget crisis, funding for the arts is often considered expendable.
- "Expendable income" (variant: disposable income): The amount of money left after taxes that is available for spending and saving. (Note: This is a specific compound term using "expendable").
- After paying my bills, my expendable income is very limited.
Variants and Related Words
- Expend (verb): To use or spend resources (time, money, energy).
- The project will expend a great deal of effort.
- Expendability (noun): The quality of being expendable.
- The expendability of the equipment was factored into the plan.
Synonyms
- Disposable: Intended to be thrown away after use.
- Consumable: Designed to be used up (often in a process).
- Replaceable: Capable of being substituted with another.
- Sacrificial: Offered or lost in sacrifice.
Antonyms
- Essential: Absolutely necessary; extremely important.
- Indispensable: Absolutely necessary; cannot be done without.
- Permanent: Lasting or intended to last indefinitely.
Related Phrases and Concepts
- Expendable launch vehicle: A rocket system that is used only once.
- Expendable personnel: A term (often criticized) for workers or staff considered easily replaceable.
- Non-expendable: Property or items that are durable and not consumed in use.
Adjective
- (used of funds) remaining after taxes
- spendable income
- suitable to be expended