say it: dis-ad-van-TAY-juhs
disadvantageous is an adjective meaning "involving or creating circumstances detrimental to success or effectiveness". It carries one recorded sense.
involving or creating circumstances detrimental to success or effectiveness
“a disadvantageous outcome”
“a well-known study from the 1970's showed that gender stereotyping placed women in a disadvantageous position”
“made an unfavorable impression”
Definitions, synonyms and semantic relations for disadvantageous come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.