nonfunctional

• POS: Adjective
• HYPHEN: non=func=tion=al

CIDE DICTIONARY

nonfunctional, adj. 

•  Not having or performing a function.  [WordNet 1.5]
•  Not performing or able to perform its regular function; as, the yard was littered with nonfunctional vehicles waiting to be repaired.  [WordNet 1.5]

THESAURUS

nonfunctional

functionless, impractical, in disrepair, inapplicable, inoperable, inoperative, nonutilitarian, otiose, out of order, out of whack, unconducive, unemployable, unfit, unhelpful, unserviceable, unsuitable, unusable, unworkable