形容词

1. (行为、活动)详细的，全面的，彻底的
A thorough action or activity is one that is done very carefully and in a detailed way so that nothing is forgotten.

1. painstakingly careful and accurate

e.g. our accountant is thorough
thorough research

2. performed comprehensively and completely

e.g. an exhaustive study
made a thorough search
thoroughgoing research

Synonym: exhaustivethoroughgoing