See uneven in Webster's New World Roget's A-Z Thesaurus II
adjective
Lacking consistency or regularity in quality or performance:
erratic, inconsistent, patchy, spotty, unsteady, variable. See continue, sameHaving a surface that is not smooth:
coarse, cragged, craggy, harsh, ironbound, jagged, ragged, rough, rugged, scabrous. See smooth
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