Source : Webster's Revised Unabridged Dictionary (1913)

Incommodious \In`com*mo"di*ous\, a. [Pref. in- not + commodious:
   cf. LL. incommodious, L. incommodus, F. incommode.]
   Tending to incommode; not commodious; not affording ease or
   advantage; unsuitable; giving trouble; inconvenient;
   annoying; as, an incommodious seat; an incommodious
   arrangement. -- {In`com*mo"di*ous*ly}, adv. --
   {In`com*mo"di*ous*ness}, n.

Source : WordNet®

incommodious
     adj : uncomfortably or inconveniently small; "incommodious hotel
           accommodations" [ant: {commodious}]