definition of
changeless

[1] #1 changeless a. [immutable] not subject or susceptible to change or variation in form or quality or nature; "the view of that time was that all species were immutable, created by God". wn

[2] #2 changeless s. [constant, invariant, unvarying] unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity". wn

[3] #3 changeless s. [unalterable] remaining the same for indefinitely long times. wn