SINLESS Meaning of SINLESS in English transcription, транскрипция: [ ˈsin-ləs ]adjectiveDate: before 12th century: free from sin : impeccable• sin·less·ly adverb• sin·less·ness noun Merriam-Webster's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003