He did a thoroughgoing job of cleaning up the broken glass.

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.

I am myself a thoroughgoing individualist, writing for those who are, like myself, irrevocably committed to the modern experiment.

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, https://web.archive.org/web/20130721101358/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.

Thoroughgoing

Meaning

Adj

Origin

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