Meaning : Involving or creating circumstances detrimental to success or effectiveness.
Example :
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.
Synonyms : unfavorable, unfavourable
Giving an advantage.
A contract advantageous to our country.Disadvantageous meaning in Bengali (Bangla).