| adj. |
| [1] |
persisting
,
relentless
,
unrelenting
,
persevering
,
tenacious
,
steadfast
,
firm
,
fast
,
fixed
,
staunch
,
resolute
,
resolved
,
determined
,
unfaltering
,
unswerving
,
undeviating
,
unflagging
,
tireless
,
untiring
,
indefatigable
,
dogged
,
unwavering
,
stubborn
,
obstinate
,
obdurate
,
inflexible
,
rigid
|
| [2] |
continuing
,
haunting
,
constant
,
continuous
,
continual
,
unending
,
interminable
,
unremitting
,
unrelenting
,
perpetual
,
incessant
,
unceasing
,
non-stop
|
| [3] |
lasting
|
| [4] |
dogged
,
dour
,
pertinacious
,
tenacious
,
unyielding
|
|
