Similar Words to Thoroughgoing:
Arrant
Complete
Consummate
Double-dyed
Everlasting
Exhaustive
Gross
Perfect
Pure
Sodding
Staring
Stark
Thorough
Unadulterated
Utter
Definitions of Thoroughgoing:
1. Performed comprehensively and completely
2. Without qualification; used informally as (often pejorative) intensifiers