unchanging
1. [ adjective ] conforming to the same principles or course of action over time
Related terms: consistent
2. [ adjective ] not active or moving
Synonyms: static
Examples:

"a static village community and a completely undynamic type of agriculture" "static feudal societies"

Related terms: undynamic
3. [ adjective ] showing little if any change
Synonyms: stable static
Examples:

"a static population"

Related terms: unchangeable
Similar spelling:   unchanged
  unchangeably
  unchangeable
  unhygienic
  unchain
  unmechanized
  unmechanised
  unmechanical
  unchained
  uncannily
  unsanitary