To destroy with a bulldozer. / (UK) To push someone over by heading straight over them. Often used in conjunction with "over". / To push through forcefully. / To push into a heap, as a bulldozer does.

A New World bird, Chordeiles minor, the common nighthawk.

unreasonably stubborn.

(Canada, US) The black bullhead, Ameiurus melas. / (Canada, US) The brown bullhead, Ameiurus nebulosus. / (Canada, US) The yellow bullhead, Ameiurus natalis.

(baseball, of the offensive team) To manage easily to hit pitching by the starting and relief pitchers of the opposing team, despite the types of pitches thrown or the skill of the pitchers.

(slang) Hollow bullet designed to pierce bullet-proof vests.

Baked koala, as a food dish.

A public spectacle, in Spain and some other Latin countries, in which a person baits and often kills a bull.

(idiomatic) A simple remedy for a difficult or complex problem, especially a cure for a disease.

Alternative spelling of bulletproof (Capable of withstanding a direct shot, reliable, or unbreakable).