Adjective
cancellable (comparative more cancellable, superlative most cancellable)
Which can be cancelled.
This commitment is not cancellable.
The company is not and must never claim to be home, family, religion, life or fate for the individual. It must never interfere in his private life or his citizenship. He is tied to the company through a voluntary and cancellable employment contract, not through some mystical or indissoluble bond. Peter Drucker