lacking the normal or usual necessities and comforts of life, as proper housing, educational opportunities, job security, adequate medical care, etc.: The government extends help to disadvantaged minorities.
late 14c., from Fr. desavantage (13c.); see dis- + advantage. The verb is attested from 1530s, from the noun.
1610s, pp. adj. from disadvantage. Of races or classes deprived of opportunities for advancement, from 1902, a word popularized by sociologists. As a noun, shorthand for disadvantaged persons, it is attested by 1939.