Added 9 October 2026 closest /ˈkləʊ.sɪst/ adverb Categories: Describing WordsUncommon Words adverb ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about closest at Wordnik → Where our words come from → (superlative of `near' or `close') within the shortest distance. that was the time he came nearest to death Related Words: nearestnighestakinbestbiggestdearestearliestfinestgreatestimmediatekeenestkin Back to today's word