The term FIRMLY FORMED can be broken down into two words: HARD (4 letters) and WELLSET (7 letters). The word HARD is an adjective that describes something that is solid, strong, and resistant to pressure. It is often used to describe physical objects, such as rocks or metals, but it can also be used to describe a person's character or attitude. The word WELLSET is an adjective that describes something that is firmly established, securely fixed, or solidly constructed. It is often used to describe a structure or system that has been carefully planned and organized. Together, the two words form the phrase FIRMLY FORMED, which implies something that is strongly established and unlikely to change.