Definition: A person who leads a group, especially in activities that are not legal or are considered wrong.

Example: The police arrested the ringleader of the gang after a long investigation.

Definition: A person who is part of a group that works together for their own interests, often in a secretive or exclusive way.

Example: The ringster was known for making deals that benefited only a select few.

Definition: A person who is a mounted soldier in armor, often associated with chivalry and noble status.

Example: The ritter rode bravely into battle, defending his kingdom.

Definition: Describing someone or something that competes with another for the same goal or position.

Example: The rival teams faced off in the championship game.

Definition: To compete with someone or something in a contest or rivalry.

Example: The two companies rival each other in the tech industry.

Definition: A person or group that competes with another in a particular area, trying to achieve the same goal or surpass them.

Example: The two companies have been rivals for years, each trying to outdo the other in sales.

Definition: To try to be as good as someone else or to do better than them.

Example: She hopes to rival her brother's achievements in sports this year.

Definition: Describing something that behaves in an unpredictable, dangerous, or uncontrolled way, often outside of normal rules or standards.

Example: The rogue wave surprised the sailors, towering over their ship.

Definition: To remove unhealthy or unwanted plants from a group, often to improve the overall health of the remaining plants.

Example: The gardener decided to rogue the sickly plants from the flower bed to ensure the others could thrive.

Definition: A person who is dishonest or untrustworthy, often behaving in a mischievous or playful way.

Example: The rogue tricked everyone into believing his lies.

Definition: To cheat or trick someone, often in a dishonest way.

Example: The con artist tried to rogue the unsuspecting tourists out of their money.

Definition: Having a playful or mischievous quality, often in a way that is charming or endearing; can also mean deceitful or unprincipled.

Example: He gave her a roguish smile that made her laugh.

Definition: A person who enjoys lively and noisy celebrations, often involving drinking and merrymaking.

Example: The roisterer danced joyfully at the festival, celebrating with friends and laughter.

Definition: To use a specific type of massage technique that focuses on aligning the body and relieving tension.

Example: She decided to rolf her back to relieve the pain.

Definition: A person who lives with you and shares your living space, usually in a house or apartment.

Example: My roommate and I often cook dinner together.

Definition: Describing someone or something that is round and often plump in shape.

Example: The rotund man laughed heartily at the joke.