Added 9 October 2026 undiluted adjective Categories: Describing WordsRare Words In Latin: merus Wiktionary adjective ! Definition from WordNet 3.1, Princeton University. More about undiluted at Wordnik → Where our words come from → Not diluted. undiluted milk Related Words: unmixedpureabsolutestraightblackneatconcentratedfull-strengthrawstrongdilutediluted Back to today's word