unimproved

adjective (1)
un·​im·​proved | \ ˌən-im-ˈprüvd How to pronounce unimproved (audio) \

Definition of unimproved

 (Entry 1 of 2)

obsolete
: not reproved or admonished

unimproved

adjective (2)

Definition of unimproved (Entry 2 of 2)

: not improved: such as
a : not tilled, built on, or otherwise improved for use unimproved land
b : not used or employed advantageously unimproved opportunities
c : not selectively bred for better quality or productiveness

First Known Use of unimproved

Adjective (1)

1602, in the meaning defined above

Adjective (2)

1665, in the meaning defined above

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The first known use of unimproved was in 1602

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