1.
[syn: badly, disadvantageously]
The Collaborative International Dictionary of English v.0.48:
Disadvantageous \Dis*ad`van*ta"geous\, a. [Cf. F.
d['e]savantageux.]
Attended with disadvantage; unfavorable to success or
prosperity; inconvenient; prejudicial; -- opposed to
advantageous; as, the situation of an army is
disadvantageous for attack or defense.
[1913 Webster]
Even in the disadvantageous position in which he had
been placed, he gave clear indications of future
excellence. --Prescott.
-- Dis*ad`van*ta"geous*ly, adv. --
Dis*ad`van*ta"geous*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
disadvantageously
adv 1: in a disadvantageous way; to someone's disadvantage; "the
venture turned out badly for the investors"; "angry that
the case was settled disadvantageously for them" [syn:
badly, disadvantageously] [ant: advantageously,
well]