acquired

adjective ac·quired \ ə-ˈkwī(-ə)rd \

|Updated on: 12 Jun 2018

Definition of acquired

1 : gained by or as a result of effort or experience

2 : attained as a new or added characteristic, trait, or ability

It has been theorized that the acquired tolerance to peppers' heat reported by those who enjoy repeated meals of blistering hot peppers is caused by the killing of pain receptors in the mouth.
—The Columbia (Missouri) Daily Tribune

: such as

a : being or relating to a physical or behavioral characteristic or trait arising in response to the action of the environment on an organism

This is clearly a claim on behalf of the Lamarckian idea that members of a species can inherit behavioral characteristics developed by their ancestors, that is, that acquired traits can be biologically transmitted.
—David McNally

b of a disease or medical condition : developed after birth : not congenital or hereditary

Rheumatic fever is currently uncommon in most developed countries, but it remains the leading cause of acquired heart disease among children in many resource-poor areas …
—Michael R. Wessels

15th century

in the meaning defined at sense 1

See Words from the same year

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adjective ac·quired

1 of a disease or medical condition : developed or originating after birth : not congenital or hereditary

Hyperoxaluria may be due to overproduction from hereditary disorders of metabolism or it may be an acquired disorder caused by intestinal disease or diet.
—The Journal of the American Medical Association, 19 Aug. 1988

— compare congenital 2, familial, genetic 2, hereditary

2 : being or relating to a physical or behavioral characteristic or trait arising in response to the action of the environment on an organism

This is clearly a claim on behalf of the Lamarckian idea that members of a species can inherit behavioral characteristics developed by their ancestors, that is, that acquired traits can be biologically transmitted.
—David McNally, Bodies of Meaning, 2001