Added 9 October 2026 fumes /fjuːmz/ noun Categories: NatureRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about fumes at Wordnik → Where our words come from → Gases ejected from an engine as waste products. Related Words: exhaustaerosolscigarettesdryemissionsexhaustsgasesgassesodorsodoursreeks Back to today's word