- Complete; thorough; with great attention to detail.
- He did a thoroughgoing job of cleaning up the broken glass.
- 1871, Walt Whitman, Democratic Vistas, New York: J.S. Redfield, p.50,
- It must be reiterated, as, for the purpose of these Memoranda, the deep lesson of History and Time, that all else in the contributions of a nation or age, through its politics, materials, heroic personalities, military eclat, &c., remains crude, and defers, in any close and thorough-going estimate, until vitalized by national, original archetypes in literature.
- 1927, T. S. Eliot, "The Humanism of Irving Babbitt," in Selected Essays, New York: Harcourt, Brace & World, 1964, p. 425,
- I am myself a thoroughgoing individualist, writing for those who are, like myself, irrevocably committed to the modern experiment.
- 1938, Xavier Herbert, Capricornia, New York: D. Appleton-Century, 1943, Chapter XI, p. 182,
- Mr. Prayter was a thorough-going cleric in the way of eating. He ate till there was nothing left.
- 1967, Time, "Marijuana is Still Illegal," 29 December, 1967, [http://www.time.com/time/magazine/article/0,9171,844332,00.html]
- After six months of preparation, Lawyer Joseph Oteri began in September the most thoroughgoing legal attack on antimarijuana laws ever made.
- Russian: доскона́льный