The Collaborative International Dictionary
Disadvantageousness
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.
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.
Wiktionary
disadvantageousness
n. The state or quality of being disadvantageous.