[weɪst], (Verb)

Definitions:
- use or expend carelessly, extravagantly, or to no purpose
(e.g: we can't afford to waste electricity)

- (of a person or a part of the body) become progressively weaker and more emaciated
(e.g: she was visibly wasting away)

- kill or severely injure (someone)
(e.g: I saw them waste the guy I worked for)

- devastate or ruin (a place)
(e.g: he seized their cattle and wasted their country)

- (of time) pass away
(e.g: the years were wasting)


Phrases:
- go to waste
- lay waste to
- waste not, want not
- waste of space

Origin:
Middle English: from Old Northern French wast(e) (noun), waster (verb), based on Latin vastus ‘unoccupied, uncultivated’

[weɪst], (Adjective)

Definitions:
- (of a material, substance, or by-product) eliminated or discarded as no longer useful or required after the completion of a process
(e.g: ensure that waste materials are disposed of responsibly)

- (of an area of land, typically an urban one) not used, cultivated, or built on
(e.g: a patch of waste ground)


Phrases:
- go to waste
- lay waste to
- waste not, want not
- waste of space

Origin:
Middle English: from Old Northern French wast(e) (noun), waster (verb), based on Latin vastus ‘unoccupied, uncultivated’

[weɪst], (Noun)

Definitions:
- an act or instance of using or expending something carelessly, extravagantly, or to no purpose
(e.g: it's a waste of time trying to argue with him)

- unwanted or unusable material, substances, or by-products
(e.g: nuclear waste)

- a large area of barren, typically uninhabited land
(e.g: the icy wastes of the Antarctic)

- damage to an estate caused by an act or by neglect, especially by a life tenant


Phrases:
- go to waste
- lay waste to
- waste not, want not
- waste of space

Origin:
Middle English: from Old Northern French wast(e) (noun), waster (verb), based on Latin vastus ‘unoccupied, uncultivated’