Word family noun advantage ≠ disadvantage the disadvantaged adjective advantageous ≠ disadvantageous advantaged ≠ disadvantaged verb disadvantage adverb advantageously ≠ disadvantageously
From Longman Dictionary of Contemporary Englishdisadvantageousdis‧ad‧van‧ta‧geous /ˌdɪsædvənˈteɪdʒəs, -væn-/ adjective [+to/for] formal DISADVANTAGEunfavourable and likely to cause problems for you OPP advantageous —disadvantageously adverbExamples from the Corpus
disadvantageous• Money may be deposited on terms that make early withdrawal disadvantageous.• In them the gene might have been positively disadvantageous because it left them less socially intuitive.• The result was also disadvantageous for him personally.• Failing to reveal cystic fibrosis may be disadvantageous or even illegal.• Animals also restrain their aggression because it is disadvantageous to fight stronger opponents - it is better to run away.• If it is vocationally disadvantageous to study history at school, it must be vocationally suicidal to study the subject at university. 