1. A day marked by particularly unpleasant, distressing, or catastrophic events
Yesterday was the horrible day when I lost my job and got into a car accident.
Ontem foi o dia horrível em que perdi meu emprego e sofri um acidente de carro.
2. A day characterized by extremely bad weather or conditions
It was the horrible day of the storm that knocked out the power.
Foi o dia horrível da tempestade que derrubou a energia elétrica.