All 5 Uses

perpetual
in
The Grass is Singing
(Auto-generated)

She thought it would be pleasant to live peacefully for a change; she had not realized how exhausted she was, after those years of living geared to a perpetual demand for the next thing.†
p. 51.6 *
As he gripped the steering wheel, his lean hands, burned coffee-color by the sun, shook perpetually, al though almost imperceptibly.†
p. 92.9
By now he was a chain-smoker, though he smoked native cigarettes which were cheaper, but which gave him a perpetual cough and stained his fingers yellow to the middle joints.†
p. 157.8
But in spite of this perpetual angry undercurrent of hate, she was disconcerted when she saw him talking, to his bossboy perhaps, on the lands.†
p. 158.6
The man was cracking up, he shivered perpetually, his face was so thin the bone-structure showed under the skin.†
p. 212.2

Definitions:

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