noun, noun or participle which takes 'suru', intransitive verb
powerful swimming; swimming with all one's might
Describes swimming with great effort or strength, often in a competitive or survival context. Can be used as a noun or as a suru-verb.
彼は最後まで力泳した。
He swam powerfully until the very end.
選手たちの力泳に観客は感動した
The spectators were moved by the athletes' powerful swimming.