Thoroughgoing (adjective)

1. Complete in every respect; exhaustive.
2. Invoking careful attention to detail; meticulous.

Origin:

Derived from the words 'thorough' and 'going', meaning 'complete' and 'movement', respectively. the word was formed in the 16th century.

Examples:

1. The book is a thoroughgoing account of the rise of the Roman Empire.
2. She is known for her thoroughgoing approach to research.
3. His thoroughgoing commitment to social justice was evident in his activism and writing.
4. The thoroughgoing review of the company's finances took months to complete.
5. The thoroughgoing investigation of the case revealed new evidence.