1. straining(n = noun.act) strain - an intense or violent exertion;
is a kind of effort, elbow grease, exertion, sweat, travail
Derived form verb strain3
2. straining(n = noun.act) distortion, overrefinement, torture, twisting - the act of distorting something so it seems to mean something it was not intended to mean;
is a kind of falsification, misrepresentation
straining(s = adj.all) arduous, strenuous - taxing to the utmost; testing powers of endurance; "his final, straining burst of speed"; "a strenuous task"; "your willingness after these six arduous days to remain here"