unflitched
/ˌʌnˈflɪtʃt/; /ˈʌnflɪtʃt/Definitions
1. adjective
Unravelled; untangled
“The unflitched thread was then used to sew the torn fabric.”
2. adverb
In a manner that has been unravelling or untangling
“She worked unflitched through the complex puzzle, eventually solving it.”