un terrible accidente

a terrible accident

→ uno
phrase Rare #44,506
a terrible accident A masculine singular noun phrase; the adjective terrible agrees with accidente in number but has the same form for masculine and feminine nouns.
SP: La policía investiga un terrible accidente en la carretera.
EN: The police are investigating a terrible accident on the highway.

Un terrible accidente ocurrió en su ausencia.

A terrible accident occurred in his absence.

Fue un terrible accidente.

It was a terrible accident.

Ha habido un terrible accidente.

There has been a terrible accident.

— Nicky, la aprendiz de bruja (1989)

Fueron testigos de un terrible accidente.

They witnessed a terrible accident.