1. A violent push or driving, as with a pointed weapon moved in the direction of its length, or with the hand or foot, or with any instrument; a stab; a word much used as a term of fencing. Polites Pyrrhus with his lance pursues, And often reaches, and his thrusts renews. (Dryden)
2. An attack; an assault. One thrust at your pure, pretended mechanism. (dr. H. More)
3., a horizontal or diagonal outward pressure, as of an arch against its abutments, or of rafters against the wall which support them.
4. (Science: chemical) The breaking down of the roof of a gallery under its superincumbent weight. Thrust bearing, a bearing arranged to receive the thrust or endwise pressure of the screw shaft.
(Science: geology) Thrust plane, the surface along which dislocation has taken place in the case of a reversed fault.
Synonym: push, shove, assault, attack.
Thrust, push, Shove. Push and shove usually imply the application of force by a body already in contact with the body to be impelled. Thrust, often, but not always, implies the impulse or application of force by a body which is in motion before it reaches the body to be impelled.