Select the word which means the same as the group of words given.

Working very hard and very carefully

Diligent

The word that means the same as the group of words "working very hard and very carefully" is diligent.

• Indulgent means giving way to one's desires or whims.
• Dilatory means tending to delay or postpone things.
• Indigent means lacking the means of providing for oneself or one's dependents.
• Diligent means working hard and carefully.

Diligent is the most appropriate word for this group of words because it specifically refers to working hard and carefully. The other words do not have the same connotation of hard work and attention to detail.