1. The state or condition of not being fulfilled; failure to achieve, satisfy, or complete something expected or desired
The unfulfillment of his dreams left him deeply disappointed.
O não cumprimento de seus sonhos o deixou profundamente desapontado.
2. Lack of satisfaction or realization of hopes, promises, or obligations
The unfulfillment of the contract terms caused legal disputes.
O não cumprimento dos termos do contrato causou disputas legais.