Definition of sparse adjective from the Oxford Advanced Learner's Dictionary

 

sparse

 adjective
adjective
BrE BrE//spɑːs//
 
; NAmE NAmE//spɑːrs//
 
(sparser, sparsest)
 
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only present in small amounts or numbers and often spread over a large area the sparse population of the islands Vegetation becomes sparse higher up the mountains. The information available on the subject is sparse. Word Origin early 18th cent. (used to describe writing in the sense ‘widely spaced’): from Latin sparsus, past participle of spargere ‘scatter’.
See the Oxford Advanced American Dictionary entry: sparse