Is ‘kindful’ a word?
Yes, ‘kindful’ is a word, meaning ‘of or related to kindness’. While it is rarely used in American English, it appears more frequently in the British vernacular. According to linguistic databases, the antonym of ‘kindful’ is ‘kindless’. It also has the comparative form ‘more kindful’, and the superlative form, ‘most kindful’. The origin of the word comes from the Middle English period (c.1150-1470).