Meanings
adjectiveupdrainage (comparative more updrainage, superlative most updrainage)
comparative more updrainage · superlative most updrainage
- Upstream in the direction of drainage.
The likely reason that the plant went belly up at that site was that a housing development went in updrainage of the site.
1988 April 15, James Krohe Jr., “Where Has All the Flora Gone?”, in Chicago Reader, archived from the original on 17 Oct 2011Antonyms: downdrainage
Synonyms & antonyms
adjectiveUpstream in the direction of drainage.
Opposite
Origin
Cite this entry
APA
updrainage. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/updrainage
MLA
“updrainage.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/updrainage. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “updrainage,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/updrainage.
Source: updrainage on Wiktionary, CC BY-SA 4.0.