outstrain

verb2

1. •
   To outdo by straining.

   • The choir and congregation were evidently assembled for a shouting-match; each tuneful throat seemed emulous to outstrain the rest. — 1891
2. •
   (literary) To strain or filter outward.

   • Hark, in the organ, the caught Wind, outstraining, Jubilant rise in a soaring prayer! — 1887