Added 10 October 2026 eupnea /juːpˈniːə/ noun Categories: ActionsObscure Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about eupnea at Wordnik → Where our words come from → Normal relaxed breathing. Related Words: puffeuthymiaeuphonyeuchymyeuphoriaeucrasyeupathyeudemoniaeuphonismeudæmoniaeudaemoniaeudaimonia Back to today's word