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Throwaway

adj, noun

Adjective

1
Disposable; intended for a single use prior to being discarded. not-comparable
"Water was provided in throwaway plastic bottles, but the more ecologically minded of us refilled our initial bottles from the fountain."
2
Extemporaneous; off the cuff. not-comparable
"The host made a throwaway remark about the president that was later repeated on the television news."
3
Given in a casual manner, either deliberately or unconsciously, with apparent disregard for effect. not-comparable
"As the film opens, a martial-drum-dominated version of the "Star Wars" theme and the inevitable bottom-to-top print crawl inform us that the Clone Wars, a conflict that originated as a throwaway line in the original 1977 film... https://web.archive.org/web/20150911134648/http://www.nysun.com/arts/star-wars-clone-wars-painted-in-the-stars/83922/"

Adjective

Noun

1
Something temporary and disposable, as:; Any printed material that need not be kept after being read; especially, a flyer or brochure.
"Some [of the essays] appeared originally in writer's^([sic]) forums and bookstore throwaways, others in more academic contexts […]"
2
words spoken in a casual way with conscious under-emphasis wordnet
3
Something temporary and disposable, as:; A burner account. Internet
4
an advertisement (usually printed on a page or in a leaflet) intended for wide distribution wordnet
5
(sometimes offensive) a homeless boy who has been abandoned and roams the streets wordnet

Etymology 1

Deverbal from throw away.

Etymology 2

Deverbal from throw away.

Unscramble this word: throwaway