overstrain (overstrains, present participle overstraining; past and past participle overstrained)

1. (ambitransitive) To subject to an excessive demand on strength, resources, or abilities
   • 1945 August 17, George Orwell [pseudonym; Eric Arthur Blair], chapter 6, in Animal Farm: A Fairy Story, London: Secker & Warburg, OCLC 3655473 ↗:

     Clover warned him sometimes to be careful not to overstrain himself, but Boxer would never listen to her.

overstrain

1. excessive strain