The compound noun Labor Day is a proper noun, the name of a specific holiday.
A proper noun is the name or title of a specific person, place, or thing. A proper noun is always capitalized.
A common noun is a general word for any person, place, or thing. A common noun is capitalized only when it's the first word in a sentence.
Examples of common nouns for the proper noun Labor Day are day, holiday, celebration, etc.
The compound noun Labor Day is a proper noun, the name of a specific holiday.
Labor Day is the name of a holiday and thus, it's a proper noun.
The proper noun Labor Day does not have an adjective form. The noun Labor Day is used to describe another noun, a Labor Day picnic, a Labor Day trip, etc. When a noun is used to describe another noun it's called an attributive noun or a noun adjunct. The noun Labor Day can also be used in the possessive form to describe a noun, for example, Labor Day's activities, Labor Day's date, etc. The noun Labor Day is a proper noun because it is the name of a specific holiday. The word labor is a common noun or an adjective; the word day is a common noun or an adjective. Together, they are the name of the holiday and a proper noun.
Labor Day is a proper noun. It is a specific day.
Labor Day is a proper noun. It is a specific day.
The common noun for the proper noun Thursday is day.
September is a PROPER noun. This is because it must be capitilized in a sentence. Names, months, holidays, weekdays, cities, and states are all proper nouns. Think of it this way: If you have to capitilize the first letter, its probably a proper noun.
The common noun for Sunday is day.
It is a proper noun, as a Sunday is a specific day. Day would be a common noun, but Sunday or Sundays, its plural form, is a proper noun.
The common nouns for the proper noun Tuesday are day and weekday.
The common noun for the proper noun Saint Patrick's Day is holiday.
The common noun for the proper noun Presidents' Day is holiday.