1. a person who is owned by another person and forced to work without pay
Usage: historical
2. a person who is completely controlled by or devoted to something
Usage: figurative

1. to work very hard for long hours
Usage: informal

Examples

• Slavery was abolished in the United States in 1865.
• The plantation owner bought several slaves to work in the fields.
• He became a slave to his addiction.
• She’s a slave to fashion trends.
• I’ve been slaving over this project all week.
• They slaved away in the kitchen preparing for the party.
• Don’t slave yourself to death over work.