deep
The Italian word 'profondo' is used to describe something that is deep, such as a deep hole, a deep ocean, or a deep emotion. It can also be used to describe something that is profound or intense. For example, 'un pensiero profondo' means a deep thought. It is important to note that 'profondo' can be used as an adjective or a noun, depending on the context.
This discussion has become very deep.
Here, 'profonda' is the feminine form of 'profondo', used to mirror the feminine noun 'discussione'. It describes a discussion that is deep in the sense of being profound or complex.
The lake is very deep.
In this sentence, 'profondo' is used to describe the physical depth of a lake. It is used as an adjective here.
His understanding of the topic is deep.
In this example, 'profonda' is used to describe a comprehensive or profound understanding of a subject. It describes an abstract, rather than a physical, depth.