Substantiv
Adjektiv
uncompromising [ more uncompromising ; most uncompromising]
inflexible [ more inflexible ; most inflexible]
implacable [ more implacable ; most implacable ]
adamant [ more adamant ; most adamant]
inexorable [ more inexorable ; most inexorable]
willful [ more willful ; most willful]
unappeasable [ more unappeasable ; most unappeasable]
...
sclerosal {sclerous}, {Med}