spottiest
spot-ti-est
adjective
Showing the most inconsistency or unevenness in quality or performance.
"His attendance was the spottiest."
adjective
Having the greatest number of spots, marks, or blemishes on its surface.
"That is the spottiest dog."
Thesaurus
Synonyms: patched, patterned, spotted, spotty, scratchy, uneven, inconsistent