The word "overstrain" is correct and usable in written English.
It is usually used to describe the act of pushing oneself past their limits or beyond what is reasonable. For example: "After working long hours, the employee began to suffer from overstrain."
Chris Green, a director of Gibb Rail, says that Railtrack has been too lax in agreeing to new routes for trains, and that the effect has been to overstrain the network.
He had endured many minor ailments, indicative of overstrain, in the past months, during which he had never acted more poignantly.
Prolonged treatment of dogs with growth hormone can overstrain the pancreatic tissue in which insulin is synthesized and bring about a diabetic condition, in which insulin is formed in inadequate quantities.
The animal had died of heart failure, due to overstrain.
The historian Charles A. Beard said that given the toxic level of public controversies in the early 20th century, he "relaxed the tension of the 'moral overstrain.'" The columnist Franklin P. Adams called his meditations "merely truth concealed in sugar-coated idiom and dialect" to conceal his loathing of injustice, sham and selfish stupidity.
"There is pardon," he says, "whenever someone does a wrong action because of conditions of a sort that overstrain human nature, and that no one would endure".
Pyrrhus's military adventures overstrained his state's military resources, but they also brought great prosperity to Epirus.
Although the Soviet halt outside Warsaw was a purposeful move, it is true that the unprecedented length and speed of the Red Army's advance 450 miles in five weeks—had overstrained the Soviet communications.
It will leave behind a failing transport infrastructure, a grossly overstrained NHS, an outdated and environmentally backward power generation system, a seriously flawed housing market and a far from egalitarian education system.
The Cardinal said he had instructed the priests and lawyers who were going to represent the archdiocese know that they were not to strive for the cheapest contract possible, but, rather, to aim for one that would give the workers the most generous increases the hospitals could afford without overstraining their resources or imperilling the quality of medical care.
It greatly overstrained the economic resources of both countries, leaving both, by the end of the 1980s, confronted with heavy financial, social and, in the case of the Russians, political problems that neither had anticipated and for which neither was fully prepared.
