staunch
/stɑːntʃ/
verb
Meaning
To stop the flow of (blood).
To stop, check, or deter an action.
"Somebody's got to staunch those press leaks!"
adjective
Meaning
Loyal, trustworthy, reliable.
"He's been a staunch supporter of mine through every election."
Dependable, persistent.
"Without our staunch front line the enemy would have split the regiment."