DISADVANTAGEOUS Meaning of DISADVANTAGEOUS in English [dis.ad.van.ta.geous] adj (1603) 1: constituting a disadvantage 2: derogatory, disparaging -- dis.ad.van.ta.geous.ly adv -- dis.ad.van.ta.geous.ness n Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012