Arrant, all-embracing, assiduous, absolute, and all-out are all synonyms for thorough. Superficial, cursory, and partial are these antonyms of thorough. And here are another 67 synonyms for thorough.
Thorough Synonyms
1. rigorous
- All-embracing
- Assiduous
- Careful
- Close
- Complete
- Comprehensive
- Conscientious
- Detailed
- Elaborate
- Exhaustive
- Extensive
- Full
- In-depth
- Intensive
- Methodical
- Meticulous
- Minute
- Painstaking
- Rigorous
- Scrupulous
- Searching
- Sedulous
- Sweeping
- Thoroughgoing
- Widespread
- All-inclusive
2. meticulous
- Assiduous
- Attentive
- Careful
- Conscientious
- Diligent
- Industrious
- Laborious
- Methodical
- Meticulous
- Painstaking
- Persevering
- Punctilious
- Scrupulous
- Hard-working
3. utter
- Absolute
- All-out
- Arrant
- Complete
- Consummate
- Downright
- Fair
- Full-bore
- Out-and-out
- Outright
- Perfect
- Profound
- Proper
- Pure
- Rank
- Real
- Right
- Sheer
- Surpassing
- Thoroughgoing
- Total
- Unmitigated
- Unqualified
- Utter
- Wholesale
- Right-down