形容词

1. 永不衰老的
If you describe someone as ageless, you mean that they never seem to look any older.

2. 永恒的；长存的；古老的
If you describe something as ageless, you mean that it is impossible to tell how old it is, or that it seems to have existed for ever.

1. continuing forever or indefinitely

e.g. the ageless themes of love and revenge
eternal truths
life everlasting
hell's perpetual fires
the unending bliss of heaven

Synonym: aeonianeonianeternaleverlastingperpetualunendingunceasing