1. (

• thorough

) painstakingly careful and accurate; "our accountant is thorough"; "thorough research" ;

2. (

• exhaustive ,
• thorough ,
• thoroughgoing

) performed comprehensively and completely; not superficial or partial; "an exhaustive study"; "made a thorough search"; "thoroughgoing research" ;

3. (

• arrant ,
• complete ,
• consummate ,
• double-dyed ,
• everlasting ,
• gross ,
• perfect ,
• pure ,
• sodding ,
• stark ,
• staring ,
• thorough ,
• thoroughgoing ,
• utter ,
• unadulterated

) without qualification; used informally as (often pejorative) intensifiers; "an arrant fool"; "a complete coward"; "a consummate fool"; "a double-dyed villain"; "gross negligence"; "a perfect idiot"; "pure folly"; "what a sodding mess"; "stark staring mad"; "a thorough nuisance"; "a thoroughgoing villain"; "utter nonsense"; "the unadulterated truth" ;