Crater-like is used to describe something that resembles or is shaped like a crater. However, there are various synonyms that can also be used to describe something similar. Some of these synonyms include bowl-shaped, concave, hollow, depression, dent, cavity, indentation, trough, and scoop. Each of these words describes a depression or a shape that scoops inward or is curved inwards resembling a crater. The word chosen can depend on the context and the degree of resemblance to an actual crater-like shape. With these options, there is no need to repeat the same word repeatedly, as there are plenty of other words that can be used in its place.