Verb (5-dan, す, transitive)
1. to vomit; to spit out
彼は口の中の砂を吐き出し、慌ててその場に立ち上がろうとする。Spitting out the sand in his mouth, he hurriedly tries to get to his feet.
2. to breathe out (e.g. air); to exhale; to blow out; to spew out (e.g. smoke); to belch out; to emit; to disgorge (e.g. passengers)
息を深く吸い込み、そして吐き出した。I took a deep breath and exhaled.
3. to spend (e.g. saved money); to cough up
4. to give vent to (e.g. pent-up feelings); to let out
吐き出すと楽になるって本当だね。It's true that letting it all out makes you feel better.
5. to output; to export