disappeared; went missing, disappeared; was gone
Meu cachorro sumiu por três dias.
My dog disappeared for three days.
O cachorro de Tom sumiu.
Tom's dog went missing.
Meu caderno vermelho sumiu da mochila.
My red notebook disappeared from my backpack.
Aposto que estão aliviados que ela sumiu.
I bet they're relieved she's gone.
— Assunto de Família (2018)
Num minuto o vidro estava lá, e, de repente, sumiu!
One minute the glass was there, and then, suddenly, it was gone!
— Harry Potter e a Pedra Filosofal (2001)