- changeless
- adj1. immutable, unchangeable, invariable, unalterable, incommutable, irreversible, inflexible; undeviating, unfaltering, unwavering, steadfast, steady, reliable, dependable; firm, fast, fixed, constant, durable, solid, stable, permanent.2. enduring, abiding, lasting, persisting; indestructible, imperishable, perdurable, inextinguishable, indissoluble; perpetual, unfading, incorruptible, undecay-ing, amaranthine, perennial, Bot. (of leaves) indeciduous, (of trees) evergreen; deathless, undying, immortal, eternal, Archaic. eterne, everlasting.
A Note on the Style of the synonym finder. 2014.