1. To push, shove, or slam someone or something downward. A noun or pronoun can be used between "thrust" and "down." The operator thrust down the lever to start the assembly line. I hauled the mattress up the stairs and thrust it down in the master bedroom. The police officer thrust the suspect down on the sidewalk to restrain him.
2. To stab, jab, or drive something downward. A noun or pronoun can be used between "thrust" and "down." The fisherman thrust the spear down without even looking and still managed to catch a fish with it. I kept thrusting down the plunger, trying to dislodge the blockage from the drain.
3. To push, shove, or drive something down into or inside of something else. A noun or pronoun is used between "thrust" and "down." The criminal thrust the bag of drugs down the storm drain to hide it from police. I thrust the rod down the pipe to clear the clump of mud.
thrust something down something
to jab or stab something down into something. The keeper quickly thrust the medicine down the lion's throat. The chimney sweep thrust his brush down the chimney.
thrust something down
to jab something downward. Max thrust the knife down and speared a piece of chicken. He thrust down the fork like a spear.