To force a person or animal to ingest food, for example by stuffing food down the throat, or using a tube passed into the stomach.
They were ordered to force-feed the prisoners on hunger strike.
More broadly, also referring to forcing the drinking of a beverage or other liquid
I finally poured water in a glass and shouted at him, "Keep your cool, man! You're more scared than the rest of us." And I force-fed him the water.
Frederick collapsed upon the stone, coughing up all the water Aerox had force-fed him.
He remembers the sound of Fish thrashing under the net, how he was forcefed river until he was still and dead and trampled on by his own frightened kin.
Over the next two days, Bray's fever returned, left, and returned again. I'd force-fed him enough water to keep him alive, but the supply was dwindling and he lost so much when he had the bouts of sweating, I knew we were hitting a danger zone.
To force someone to take in information or accept an ideology.
The teachers at this school tend to force-feed their students information, rather than encourage critical thinking and debate.