1. A choice or alternative that is not achievable, practical, or based on reality; an option that cannot reasonably be expected to succeed or be implemented
Expecting to finish the project in one day is an unrealistic option given the complexity involved.
Esperar terminar o projeto em um dia é uma opção irrealista dada a complexidade envolvida.
2. An alternative that disregards practical constraints, available resources, or factual circumstances
Without additional funding, that expansion plan remains an unrealistic option.
Sem financiamento adicional, esse plano de expansão continua sendo uma opção irrealista.