1. unappeasable - Adjective
2. unappeasable - Adjective Satellite
not to be placated or appeased or moved by entreaty
Source: WordNetThere is joy over disappointment And delight in hopes that were vain. Each poet is glad there was no cure To stop his lonely pain. For nothing keeps a poet In his high singing mood Like unappeasable hunger For unattainable food. Joyce Kilmer
grim determination Source: Internet
grim necessity Source: Internet
Russia's final hour, it seemed, approached with inexorable certainty Source: Internet
relentless persecution Source: Internet
the stern demands of parenthood Source: Internet