Cases of word usage

1) (of bad behaviour, actions etc) thorough (downright)

2) a thorough teaching of the basic details of a subject (grounding)

3) complete and thorough (out-and-out)

4) very careful; thorough (painstaking)

5) thorough and complete; favouring complete reform; of the extreme left in opinions and policies (radical)

6) a thorough and detailed examination (scrutiny)

7) of or on the surface only; not thorough or deep (superficial)