unimproved
adjective (1)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
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Merriam-Webster unabridged
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Time Traveler for unimproved
The first known use of unimproved was in 1602
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