What part of speech is “seven”
Adjective
Definition:
seven is a cardinal number that refers to the quantity of one more than six or the sum of three and four.
Rules:
simply place it before any noun you're counting. For instance, seven elephants, seven coins, seven days. It's also commonly used to refer to a single group or unit.
Examples:
1. They had seven apples in the basket.
2. I just bought seven new dresses for the party.
3. The seven-letter word was difficult to guess.
Tips:
seven is a nice, round number that has a special significance in many religions and cultures, including the seven days of the week, seven chakras, seven colors of the rainbow, etc.