Meanings
adjectiveultraclean (comparative more ultraclean, superlative most ultraclean)
comparative more ultraclean · superlative most ultraclean
- Exceptionally clean.
"Children raised in an ultraclean environment," he added, "are not being exposed to organisms that help them develop appropriate immune regulatory circuits."
2009 January 27, Jane E Brody, “Babies Know: A Little Dirt Is Good for You”, in New York Times
Origin
- Englishultra-
- Proto-West Germanic*klainī
- Old Englishclǣne
- Middle Englishclene
- Englishclean
- Englishultraclean
Cite this entry
APA
ultraclean. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ultraclean
MLA
“ultraclean.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultraclean. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “ultraclean,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ultraclean.
Source: ultraclean on Wiktionary, CC BY-SA 4.0.