All 6 Uses

perpetual
in
Sole Survivor
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The sea was a perpetually laboring machine with no purpose but the continuation of its own existence, romanticized and cherished by countless poets but incapable of knowing human passion, pain, and promise.†
Chpt 1.3 *
Out of the thin blood-filtered light, into the hallway where a funerary stillness of shadows stood sentinel, toward the enormous chandelier that hung in a perpetual crystal rain above the foyer staircase, he ran.†
Chpt 2.8
She wept uncontrollably for the dead room-service waiter whose name she didn't know, for Denny and Rebekah and unborn Felicia whose lives now seemed perpetually suspended on a slender thread, for her own loss of innocence and self-respect, for the three hundred and thirty people aboard Flight 353, for justice thwarted and hope lost.†
Chpt 3.10
Joe, however, had been perpetually angry for him.†
Chpt 3.12
In the breeze, they snapped like the flapping wings of a perpetually hovering flock of buzzards over more than thirty cars that ranged from good stock to steel carrion.†
Chpt 4.13
Because most contemporary male movie stars and directors indulged in a perpetually adolescent lifestyle, blue jeans were acceptable attire even at many tony establishments in Los Angeles.†
Chpt 4.13

Definitions:

(1) (perpetual)
continuing forever without change; or occurring so frequently it seems constant
(2) (meaning too rare to warrant focus)