Is this your crossword clue?
"stubborn" is also used as a crossword clue. If that's what you saw, the answer is often obstinate (9 letters).
Definitions
Unwilling to change an opinion, decision, or course of action.
Word origin
From Middle English stiborne, stibourne, stoburn, stoburne, styburne, stiborn, of uncertain origin; one hypothesis is that it may be from Old English *stybbor, from Old English stybb (“a stump, stub”) + -or (adjective-formation suffix, as in bitor, whence English bitter).
Used in a sentence
“People are pretty stubborn about their political beliefs, so why bother arguing?”
“Blood can make a very stubborn stain on fabrics if not washed properly.”
“Under his hand a stubborn latch sprung noisily […]”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Obstinate”8 letters
Not quite right?
"Search similar patterns."
S_______