sparse
Concise Oxford English Dictionary © 2008 Oxford University Press:
sparse/spɑːs/
▶adjective thinly dispersed or scattered.
– derivatives
sparsely adverb,
sparseness noun,
sparsity noun.
sparsely adverb,
sparseness noun,
sparsity noun.
– origin C18: from L. sparsus, past part. of spargere ‘scatter’.
'sparse' also found in these Oxford entries:

