throwaway \throw"a*way\ a.

1. designed to be discarded after a single use; disposable. [PJC]

2. spoken with deliberate underemphasis; as, a throwaway line in a play. [PJC] [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

throwaway \throw"a*way\ n.

1. an advertisement (usually printed on a page or in a leaflet) intended for wide distribution.

Syn: circular, handbill, bill, broadside, broadsheet, flier, flyer [WordNet 1.5]

2. words spoken in a casual way with conscious underemphasis. [WordNet 1.5] [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

22 Moby Thesaurus words for "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

Source: Moby Thesaurus II by Grady Ward, 1.0
 

throwaway adj
1: thrown away; "wearing someone's cast-off clothes"; "throwaway children living on the streets"; "salvaged some thrown-away furniture" [syn: cast-off(a), discarded, throwaway(a), thrown-away(a)]
2: intended to be thrown away after use; "throwaway diapers" [syn: throwaway(p)]

noun

1: a homeless child who has been abandoned and roams the streets [syn: street arab, gamin]
2: an advertisement (usually printed on a page or in a leaflet) intended for wide distribution; "he mailed the circular to all subscribers" [syn: circular, handbill, bill, broadside, broadsheet, flier, flyer]
3: words spoken in a casual way with conscious under-emphasis

Source: WordNet (r) 2.0