thorough (adj.)
complete and careful
Examples
- A thorough investigation.
Key rules
- Thorough means complete and careful
- Thorough in + noun, or a thorough + noun
- Thoroughly is the adverb
Common mistakes
- The investigation was thoroughly → The investigation was thorough
- He is very thoroughly → He is very thorough
Use cases
- Describing research
- Reviewing work quality
- Describing cleaning
💡 Tip: Thorough is about care and detail; complete is about nothing missing.