nonfunctional

from WordNet (r) 3.0 (2006)

nonfunctional
    adj 1: not having or performing a function [ant: {functional}]
    2: not performing or able to perform its regular function; "a
       malfunctioning valve" [syn: {malfunctioning},
       {nonfunctional}] [ant: {functioning}]

from The Collaborative International Dictionary of English v.0.48

nonfunctional \nonfunctional\ adj.
   1. Not having or performing a function. [Narrower terms:

from Moby Thesaurus II by Grady Ward, 1.0

18 Moby Thesaurus words for "nonfunctional":
      functionless, impractical, in disrepair, inapplicable, inoperable,
      inoperative, nonutilitarian, otiose, out of order, out of whack,
      unconducive, unemployable, unfit, unhelpful, unserviceable,
      unsuitable, unusable, unworkable

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