[1] : The Collaborative International Dictionary of English v.0.48

inauspicious \in`auspi"cious\, a.
   not auspicious; ill-omened; unfortunate; unlucky;
   unfavorable. "inauspicious stars." --shak. "inauspicious
   love." --dryden. -- in`auspi"ciously, adv. --
   in`auspi"ciousness, n.
   1913 webster
see also:
in`auspi"ciously in`auspi"ciousness 

[2] : WordNet (r) 2.0

inauspicious
     adj 1: not auspicious; boding ill syn: unfortunate ant: auspicious
     2: contrary to your interests or welfare; "adverse
        circumstances"; "made a place for themselves under the
        most untoward conditions" syn: adverse, harmful, untoward
     3: presaging ill-fortune; "ill omens"; "ill predictions"; "my
        words with inauspicious thunderings shook heaven"-
        p.b.shelley; "a dead and ominous silence prevailed"; "a
        by-election at a time highly unpropitious for the
        government" syn: ill, ominous
see also:
unfortunate auspicious adverse harmful untoward ill 
ominous 

[3] : Moby Thesaurus II by Grady Ward, 1.0

102 moby thesaurus words for "inauspicious":
   apocalyptic, bad, badly off, baleful, baneful, black, bodeful,
   boding, criminal, dark, depressed, dire, donsie, doomful, dreary,
   evil, evil-starred, fatal, fateful, foreboding, fortuneless,
   funest, gloomy, hapless, ill, ill off, ill-boding, ill-considered,
   ill-fated, ill-omened, ill-seasoned, ill-starred, ill-timed,
   improper, in adverse circumstances, inaccurate, inappropriate,
   inconvenient, inexpedient, infelicitous, inferior, inopportune,
   intempestive, intrusive, invalid, irrelevant, late, lowering,
   luckless, mal a propos, malapropos, malevolent, menacing, mistimed,
   of evil portent, off base, ominous, out of line, out of luck,
   out of phase, out of time, peccant, planet-struck, portending,
   portentous, premature, sad, short of luck, sinful, sinister,
   somber, star-crossed, threatening, too late, too soon, unbefitting,
   unblessed, underprivileged, unfavorable, unfit, unfitting,
   unfortunate, unhandy, unhappy, unhealthy, unkind, unlucky,
   unpleasant, unpromising, unpropitious, unprosperous,
   unprovidential, unready, unripe, unseasonable, unskillful,
   unsuitable, untimely, untoward, vicious, wicked, wrong

Inauspicious >> I Words
Inauspicious, definition of term: Inauspicious
inauspicious_pag1.html