outfall

O1U1T1F4A1L1L1
US/ˈaʊtˌfɔl/cot caught merger/ˈaʊtˌfɑl/

verb

To burst forth, as upon an enemy; make a sally.

Less commonScrabble 10

Meanings

outfall1

verboutfall (third-person singular simple present outfalls, present participle outfalling, simple past outfell, past participle outfallen)

present singular third person outfalls · participle present outfalling · past outfell · participle past outfallen

  1. obsoletetransitiveTo burst forth, as upon an enemy; make a sally.

outfall2

nounoutfall (plural outfalls)

plural outfalls

  1. obsoleteA sudden eruption of troops from a fortified place; sally.
  2. dialectalA quarrel; a falling out.
  3. The point or place of discharge of a river, drain, culvert, sewer, etc.; mouth; embouchure.

    The rules focus primarily on two crucial operating features: seawater intakes and outfalls.

    2014 October 18, Matt Weiser, “Could desalination solve California’s water problem?”, in The Sacramento Bee, retrieved 20150315
    1 more example

    West of Keswick a short descent at 1 in 122 brings the train down to the low-lying and marshy ground between Derwentwater and Bassenthwaite Lake and to the crossing of the Derwent - the outfall from Derwentwater, [...].

    1961 October, Voyageur, “The Cockermouth, Keswick & Penrith Railway”, in Trains Illustrated, page 601

Origin

outfall · verb

  1. Middle Englishoutfallen
  2. Englishoutfall

From Middle English outfallen, equivalent to out- + fall. Compare Dutch uitvallen (“to fall out, sally”), German ausfallen (“to fall out, lunge”), Swedish utfalla (“to fall out”).

Full word history & related roots →

outfall · noun

From out- + fall. Compare Dutch uitval (“outburst, sally, eruption”), German Ausfall (“falling out, sally”), Swedish utfall (“sally, issue”).

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

outfall. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/outfall

MLA

“outfall.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/outfall. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “outfall,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/outfall.

Source: outfall on Wiktionary, CC BY-SA 4.0.