throwaway

• POS: Noun
• HYPHEN: throw=a=way

CIDE DICTIONARY

throwaway, a. 

•  designed to be discarded after a single use; disposable.  [PJC]
•  spoken with deliberate underemphasis; as, a throwaway line in a play.  [PJC]

throwaway, n. 

•  an advertisement (usually printed on a page or in a leaflet) intended for wide distribution.  [WordNet 1.5]
•  words spoken in a casual way with conscious underemphasis.  [WordNet 1.5]

THESAURUS

throwaway

castaway, castoff, consumable, deep six, discard, discarding, disposable, disposal, dumping, elimination, expendable, jettison, junking, no-deposit, refuse, reject, rejectamenta, rejection, removal, replaceable, scrapping, spendable