To give something off; emit something: The searchlights threw out powerful beams. The torch threw lots of light out.
2. To reject or discard something: The committee threw out our proposal. My boss threw my ideas out.
3. To get rid of something as useless: The crew threw out the garbage. The workers threw the trash out.
4. To offer something, as a suggestion or plan: They threw out names of people they might want to invite to the party. I threw the suggestion out just to see how people would respond to it.