thorough thorough /ˈθɔroʊ/

adjective

1. () Painstakingly careful and accurate  ( thorough )
   painstakingly careful and accurate
    Our accountant is thorough
   our accountant is thorough
    Thorough research
   thorough research
   
2. () Performed comprehensively and completely; not superficial or partial  ( in-depth , exhaustive , thoroughgoing , thorough )
   performed comprehensively and completely; not superficial or partial
    An exhaustive study
   an exhaustive study
    Made a thorough search
   made a thorough search
    Thoroughgoing research
   thoroughgoing research
   
3. Without qualification; used informally as (often pejorative) intensifiers  ( arrant , complete , consummate , double-dyed , everlasting , gross , perfect , sodding , staring , pure , stark , thorough , thoroughgoing , unadulterated , utter )
   without qualification; used informally as (often pejorative) intensifiers
    An arrant fool
   an arrant fool
    A complete coward
   a complete coward
    A consummate fool
   a consummate fool
    A double-dyed villain
   a double-dyed villain
    Gross negligence
   gross negligence
    A perfect idiot
   a perfect idiot
    Pure folly
   pure folly
    What a sodding mess
   what a sodding mess
    Stark staring mad
   stark staring mad
    A thorough nuisance
   a thorough nuisance
    A thoroughgoing villain
   a thoroughgoing villain
    Utter nonsense
   utter nonsense
    The unadulterated truth
   the unadulterated truth