Question
Choose the best definitions for the italicized word.
After seven years of painstaking research, the scientists finally developed a cure for the disease.
expensive
diligent
boring
painful
After seven years of painstaking research, the scientists finally developed a cure for the disease.
expensive
diligent
boring
painful
Answers
GPT-4o mini
The best definition for the italicized word "painstaking" in this context is **diligent**. "Painstaking" refers to showing great care and effort in work, which aligns with being diligent.