Unappeasable

adj

Definitions

Adjective
  1. 1
    Not able to be appeased or satisfied.

    "The old woman snatched the note, mouthing unappeasable resentment. "Never think ye'll get out of it for all I take your dirty money," she whistled, her breath gone in the clutch of gratified rapacity."

Adjective
  1. 1
    not to be placated or appeased or moved by entreaty wordnet

Etymology

From un- + appeasable.

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