adjective

involving or creating unfavourable circumstances that reduce the chances of success or effectiveness.

the new employment scheme is disadvantageous to women

unfavourable,adverse,inauspicious,unpropitious,unfortunate,unlucky,bad,detrimental,prejudicial,deleterious,harmful,damaging,injurious,hurtful,destructive,inopportune,ill-timed,untimely,inexpedient