Synonyms of changeless in English:

changeless


See US English definition of changeless

See UK English definition of changeless

See Spanish definition of inalterable

adjective

1‘parents are so utterly changeless in their behaviour’

SYNONYMS
unchanging, unvarying, timeless, static, standing, fixed, permanent, constant, unchanged, fast, consistent, uniform, undeviating
stable, steady, unchangeable, unalterable, invariable, immutable
lasting, long-lasting, abiding, enduring, persistent, indefinite, continuing, perpetual, everlasting, perennial, unending, endless, never-ending
ANTONYMS

variable, fleeting