executed without negligence or omissions

a thorough search.

complete; perfect; utter

thorough enjoyment.

extremely attentive to accuracy and detail; painstaking

a thorough worker; a thorough analysis.

having full command or mastery of an art, talent, etc.

a thorough actress.

extending or passing through.

Archaic . through.

( initial capital letter ) English History . 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.

adjective

cursory , partial , sciolistic , superficial

adjective

all-out , complete , exhaustive , full-dress , intensive , thoroughgoing , thoroughpaced , blow-by-blow , circumstantial , full , minute , particular , absolute , arrant , consummate , crashing , damned , dead , downright , flat , out-and-out , outright , perfect , plain , pure , sheer , total , unbounded , unequivocal , unlimited , unmitigated , unqualified , unrelieved , unreserved , accurate , all-encompassing , careful , comprehensive , detailed , exact , extreme , finished , ingrained , meticulous , painstaking , profound , thoroughly , utter