Simple Definition of staunch
from our Learner's Dictionarystaunch
1 of 2variant spelling of stanch
stauncher; staunchest
always used before a noun
: very devoted or loyal to a person, belief, or cause
She is a staunch advocate of women's rights.
He's a staunch believer in the value of regular exercise.
I'm one of his staunchest supporters.
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“Staunch.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/staunch. Accessed 20 Jun. 2026.
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