perpetual
Definitions
Never ending or changing.
Occurring repeatedly; so frequent as to seem endless and uninterrupted.
Examples
The mountain peak was covered in a perpetual layer of snow.
She grew tired of his perpetual complaining about the weather.
The company is in a state of perpetual change to keep up with new technology.
Synonyms
everlasting eternal endless ceaseless incessant constant permanent
Antonyms
temporary fleeting transient ephemeral brief momentary finite