Antonyms of adj unchanging

2 senses of unchanging

Sense 1
unchanging -- (conforming to the same principles or course of action over time)

INDIRECT (VIA consistent) -> inconsistent -- (displaying a lack of consistency; "inconsistent statements cannot both be true at the same time"; "inconsistent with the roadmap")

Sense 2
static, stable, unchanging -- (showing little if any change; "a static population")

INDIRECT (VIA unchangeable) -> changeable, changeful -- (such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices")

Similarity of adj unchanging

2 senses of unchanging

Sense 1
unchanging -- (conforming to the same principles or course of action over time)
       => consistent (vs. inconsistent) -- ((sometimes followed by `with') in agreement or consistent or reliable; "testimony consistent with the known facts"; "I have decided that the course of conduct which I am following is consistent with my sense of responsibility as president in time of war"- FDR)

Sense 2
static, stable, unchanging -- (showing little if any change; "a static population")
       => unchangeable (vs. changeable) -- (not changeable or subject to change; "a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life")