What does the word frustrate mean?

Usage examples for frustrate

  1. If the fears and objections that are being raised by a few Natives and by individual Europeans here and there are allowed to frustrate this, the only practical plan so far devised, the future generations of both white and black in South Africa will assuredly curse the day their fathers wavered and failed to make the only just and fair provision that could be made. – The Black Man's Place in South Africa by Peter Nielsen
  2. To this refuge of the distressed we also send any of the mess, who, like Dawson, are troubled with qualms of conscience, which are likely to endanger the commonwealth; there they remain, as in a hospital, till death, or a cure, in short, we put the house, like its inmates, to any purposes likely to frustrate our enemies, and serve ourselves. – Pelham, Complete by Edward Bulwer-Lytton Last Updated: March 16, 2009
  3. Now, mark; the daughter was kneeling at her mother's feet, as she might have knelt to say the first prayer of infancy; she had just told the secret which involved her life's hope of happiness- whether wrongly or rightly founded it matters not; the mother sate there, with a firm, cool resolve at her heart to crush the hope and frustrate the purpose; and yet she kissed her child without shivering or shrinking. – Barren Honour: A Novel by George A. Lawrence