say it: SPAHT-luhs
spotless is an adjective meaning "completely neat and clean". It carries one recorded sense.
completely neat and clean
“the apartment was immaculate”
“in her immaculate white uniform”
“a spick-and-span kitchen”
“their spic red-visored caps”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for spotless come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.