Wiktionary
unpropitiously
adv. In an unpropitious way.
WordNet
unpropitiously
adv. in an inauspicious manner; "he started his new job inauspiciously on Friday the 13th" [syn: inauspiciously] [ant: auspiciously, auspiciously]
Usage examples of "unpropitiously".
His working day had started unpropitiously, since an aeroplane survey of the nearly-exposed rock surfaces showed an entire absence of those Archaean and primordial strata for which he was looking, and which formed so great a part of the colossal peaks that loomed up at a tantalizing distance from the camp.