Final answer:
The word that means 'rounded inward' is Concave. It is a term used in geometry to describe a shape that is curved inward like the inside of a bowl.
Step-by-step explanation:
The word that means 'rounded inward' is Concave.
For example, if you take a look at a spoon, the inside part where the food rests is concave. It curves inward.
Concave is a term used in geometry to describe a shape that is curved inward like the inside of a bowl.