Is seal a proper or common noun?

Answer 1

The noun 'seal' is a common noun, a general word for a type of marine mammal; a general word for a tight and perfect closing or something that is attached to a closed container and has to be broken in order to open the container.

A proper noun is the name of a specific person, place, or thing.

Answer 2

The noun 'seal' is a common noun, a general word for a type of marine mammal; a general word for a device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them; a general word for a piece of wax, lead, or other material with an individual design stamped into it; a general word for a design used to identify a person or thing.

A proper noun is the name of a specific person, place, or thing; for example, the Good Housekeeping Seal of Approval or Seal Beach, CA.

The word 'seal' is also a verb: seal, seals, sealing, sealed.

Answer 3

It is a proper name if you're talking about the singer. Otherwise, it's a common noun.