nonreturnable

• POS: Adjective
• HYPHEN: non=re=turn=a=ble

CIDE DICTIONARY

nonreturnable, adj. 

 That may not be returned for a refund; -- of purchased goods, or containers for purchased items; as, nonreturnable bottles. Opposite of returnable.  [WordNet 1.5]

THESAURUS

nonreturnable

changeless, constant, immutable, incommutable, inconvertible, indefeasible, inert, insusceptible of change, intransmutable, invariable, irretrievable, irreversible, irrevocable, lasting, noble, nonreversible, permanent, reverseless, unalterable, unalterative, unaltered, unchangeable, unchanged, unchanging, undeflectable, undeviating, unmodifiable, unremitting, unrestorable, unreturnable, unsusceptible, unvariable, unvarying