unchanging (adjective) unchanging: constant, permanent
Sinonime: abiding, changeless,
consistent,
continuing,
enduring, equable,
eternal,
even,
fixed,
immutable, imperishable, invariable,
lasting,
perpetual,
rigid,
same, stabile,
static, unchanged, unfading, unfailing, unfluctuating,
uniform, unvarying
Antonime: changeable,
changing, inconstant,
intermittent,
temporary