Disadvantaged is a synonym of underdeveloped.
As verbs the difference between disadvantaged and underdeveloped
is that disadvantaged is (disadvantage) while underdeveloped is (underdevelop).
As adjectives the difference between disadvantaged and underdeveloped
is that disadvantaged is lacking an advantage relative to another while underdeveloped is immature and not fully developed.
disadvantaged
English
Verb
(head)
(disadvantage)
Adjective
(
en adjective)
Lacking an advantage relative to another.
Poor; in financial difficulties.
underdeveloped
English
Adjective
(
en adjective)
immature and not fully developed
having a low level of economic productivity and technological sophistication
(photography) of a film that has had insufficient development before being fixed
Verb
(head)
(underdevelop)