change ‧ less /ˈtʃeɪndʒləs/ BrE AmE adjective
[ Word Family: adjective : ↑ changeable , ↑ interchangeable , ↑ changed ≠ UNCHANGED , changing ≠ ↑ unchanging , ↑ changeless ; noun : ↑ change , ↑ interchange , ↑ interchangeability ; verb : ↑ change , ↑ interchange ; adverb : ↑ interchangeably ]
never seeming to change:
a changeless desert landscape