thorough
Definitions
Complete with regard to every detail; not superficial or partial.
Performed or written with great care and completeness.
Absolute or utter.
Examples
The detective conducted a thorough investigation to uncover the truth.
Please provide a thorough explanation of your research methodology.
She did a thorough job cleaning the entire house before the guests arrived.
Synonyms
comprehensive meticulous exhaustive painstaking diligent rigorous scrupulous
Antonyms
superficial careless negligent cursory incomplete hasty sketchy