Definition

1. Noun:

   • The cardinal number that is the sum of six and one: The natural number following six and preceding eight, represented by the symbol 7.
   • One of four playing cards in a deck with seven pips on the face: A card in a standard deck marked with seven symbols (e.g., hearts, diamonds, clubs, spades).

2. Adjective:

   • Being one more than six: Used to describe a quantity of exactly seven items or units.

Usage Examples

• Noun:
  • The number after six is seven.
  • He drew the seven of clubs from the deck.
• Adjective:
  • There are seven days in a week.
  • She has seven books on the shelf.

Advanced Usage

• "At sixes and sevens": In a state of confusion, disarray, or disagreement.
  • After the sudden change in plans, the entire team was at sixes and sevens.
• "The seven-year itch": A colloquial term for a perceived inclination to become unfaithful or restless after about seven years of marriage.
  • Their marriage survived the seven-year itch.

Variants and Related Words

• Seventh (adj., n.): Constituting number seven in a sequence; one of seven equal parts.
  • This is the seventh chapter of the book.
  • She finished in seventh place.
• Sevenfold (adj., adv.): Seven times as great or as numerous; consisting of seven parts.
  • The investment saw a sevenfold increase.
• Seventeen (n., adj.): The number equivalent to the sum of seven and ten; 17.
• Seventy (n., adj.): The number equivalent to seven times ten; 70.

Synonyms

• Heptad (n.): A group or set of seven (less common, technical).
• Septet (n.): A group of seven people or things, especially musicians.

Related Phrases and Idioms

• Seven deadly sins: In Christian tradition, the vices of pride, greed, wrath, envy, lust, gluttony, and sloth.
  • The story explores the theme of the seven deadly sins.
• Seven wonders of the world: Renowned architectural and artistic achievements of the ancient world.
  • The Pyramids of Giza are the only surviving Seven Wonder of the World.
• Seven seas: An archaic term for all the oceans of the world.
  • The old sailor claimed to have sailed the seven seas.

Noun

1. one of four playing cards in a deck with seven pips on the face
2. the cardinal number that is the sum of six and one

Adjective

1. being one more than six