3 examples of underminings in sentences

Surmises pass for sound approved truths; Familiarity and conference, That were the sinews of societies, Are now for underminings only us'd; And novel wits, that love none but themselves, Think wisdom's height as falsehood slyly couch'd, Seeking each other to o'erthrow his mate.

A proof worthy of the manly mind of Luther, and compared with which the Grotian pretended demonstrations, from Grotius himself to Paley, are mischievous underminings of the Faith, pleadings fitter for an Old Bailey thieves' counsellor than for a Christian divine.

It were needless now to tell of all the secret underminings of life's hidden springs.

3 examples of  underminings  in sentences