| 1. | The young are to be brought up in happy surroundings, out of the way of sights or sounds which may hurt the character or vitiate the taste. - from The Republic by Plato |
| 2. | As vitiated in Nature more to kno. - from Paradise Lost by John Milton |
| 3. | His endless muttering monologue vitiated every effort I made to think out a line of action, and drove me at times, thus pent up and intensified, almost to the verge of craziness. - from The War of the Worlds by H. G. Wells |