thorough: Meaning and Definition of

thor•ough

1. executed without negligence or omissions: a thorough search.
2. complete; perfect; utter: thorough enjoyment.
3. extremely attentive to accuracy and detail; painstaking: a thorough worker; a thorough analysis.
4. having full command or mastery of an art, talent, etc.: a thorough actress.
5. extending or passing through.

1. through.

1. (cap.)the administrative policies of the Earl of Stafford and Archbishop Laud during the reign of Charles I: so called because they were uncompromisingly carried out.