[stawnch, stahnch]
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adjective, staunch·er, staunch·est.
  1. firm or steadfast in principle, adherence, loyalty, etc., as a person: a staunch Republican; a staunch friend.
  2. characterized by firmness, steadfastness, or loyalty: He delivered a staunch defense of the government.
  3. strong; substantial: a staunch little hut in the woods.
  4. impervious to water or other liquids; watertight: a staunch vessel.
Also stanch.

Origin of staunch

1375–1425; late Middle English sta(u)nch < Middle French estanche (feminine), estanc (masculine), derivative of estancher to stanch1
Related formsstaunch·ly, adverbstaunch·ness, noun

Synonyms for staunch

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1. constant, true, faithful. See steadfast. 2. resolute. 3. stout, sound. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for staunchly

Contemporary Examples of staunchly

Historical Examples of staunchly

British Dictionary definitions for staunchly


  1. loyal, firm, and dependablea staunch supporter
  2. solid or substantial in construction
  3. rare (of a ship, etc) watertight; seaworthy
Derived Formsstaunchly, adverbstaunchness, noun

Word Origin for staunch

C15: (originally: watertight): from Old French estanche, from estanchier to stanch


verb, noun
  1. a variant spelling of stanch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for staunchly

1825, from staunch + -ly (2).



early 15c., "impervious to water," from Old French estanche "firm, watertight," fem. of estanc "dried, exhausted, wearied, vanquished," from Vulgar Latin *stanticare, probably from Latin stans (genitive stantis), present participle of stare "to stand," from PIE root *sta- "to stand" (see stet). Sense of "strong, substantial" first recorded mid-15c.; of persons, "standing firm and true to one's principles" from 1620s.

Online Etymology Dictionary, © 2010 Douglas Harper