| adj. |
| [1] |
unyielding
,
grim
,
inexorable
,
inexorable
,
unstoppable
,
stern
,
unappeasable
,
unrelenting
,
dogged
,
unforgiving
,
unrelenting
,
implacable
,
inflexible
,
unbending
,
unmoving
,
unmoved
,
unrelieved
,
stiff
,
hard
,
stiff-necked
,
rigid
,
obstinate
,
adamant
,
obdurate
,
intransigent
,
determined
,
unswerving
,
undeviating
,
intractable
,
persevering
,
steely
,
tough
,
intransigent
,
unsparing
,
uncompromising
,
pitiless
,
unforgiving
,
ruthless
,
merciless
,
cruel
,
unmerciful
,
remorseless
|
| [2] |
non-stop
,
persistent
,
unrelenting
,
persistent
,
incessant
,
unrelenting
,
unremitting
,
unstoppable
,
perpetual
,
unfaltering
,
unfailing
,
unflagging
,
unrelieved
,
unabated
,
unrelieved
,
unbroken
,
continual
,
continuous
,
ceaseless
,
constant
,
unceasing
,
steady
,
habitual
,
regular
|
|
