unchanging
adjective
[ ʌnˈtʃeɪn(d)ʒɪŋ ]
• not changing; remaining the same.
• "the party stood for unchanging principles"
Similar:
consistent,
constant,
regular,
even,
uniform,
unvarying,
predictable,
stable,
steady,
fixed,
permanent,
perpetual,
eternal,
sustained,
lasting,
persistent,
uninterrupted,
continuous,
continual,
ceaseless,
incessant,
unceasing,
never-ending,
non-stop,
interminable,
unabating,
unabated,
unrelieved,
unremitting,
relentless,