Index of English words, starting with "th"

(1) - Thoroughgoing (a.) Going all lengths; extreme; thoroughplaced; -- less common in this sense.
(2) - Thoroughgoing (a.) Going through, or to the end or bottom; very thorough; complete.

(1) - Thoroughly (adv.) In a thorough manner; fully; entirely; completely.

(1) - Thoroughness (n.) The quality or state of being thorough; completeness.