It was a dreadful, an unappeasable yearning of soul and body, and when the paroxysm had passed, it left him weak.
"Flowing Gold"
Rex Beach
He also imagines that the anger of Athena is unappeasable.
"The Seven Plays in English Verse"
Sophocles
It springs out of the common and unappeasable hunger, commanding that love seek love through night to day and through day to night.
"The Kempton-Wace Letters"
Jack London Anna Strunsky