I.
variant of stanch I
II. ˈstȯnch, ˈstänch adjective
also stanch ˈstȯnch, ˈstänch, ˈstanch
Etymology: Middle English, from Anglo-French estanche, feminine of estanc, from estancher to stanch — more at stanch
Date: 15th century
1.
a. : watertight , sound
b. : strongly built : substantial
2. : steadfast in loyalty or principle
a staunch friend
Synonyms: see faithful
• staunch·ly adverb
• staunch·ness noun