implacableness
NOUN
stubbornness
Synonyms
WEAK
adamancy
bullheadedness
contumacy
die-hardism
doggedness
grimness
implacability
incompliance
incompliancy
indomitability
inexorability
inexorableness
inflexibility
inflexibleness
intransigence
intransigency
mulishness
obduracy
obdurateness
obstinacy
perseverance
pertinacity
pigheadedness
relentlessness
remorselessness
rigidity
rigidness