spontaneously

“Electric vehicles are statistically less likely to catch fire spontaneously than an internal combustion engine vehicle.”

In his written submissions to the IPT, Mr Weatherby said: "The perpetrators were not unknowns who acted spontaneously or with a simplicity which gave little room for discovery."

The parcels then spontaneously burst into flames or blew up.

On the Atlantic Boulevard corridor between Whittier and Olympic boulevards, TV news helicopters have captured for decades the pachangas — shindigs — that spontaneously erupt any time the Dodgers, Lakers or Mexican men’s national soccer team win a big game.

One has to imagine that among the covens of the Marvel Cinematic Universe, similar celebrations of glee are spontaneously erupting today after the two-part finale of “Agatha All Along.”