1. past tense and past participle of quintuple; multiplied by five or increased fivefold

Examples

• The company’s profits quintupled over the past decade.
• Housing prices have quintupled since the 1980s in this area.
• The population of the city quintupled after the discovery of oil.
• Her investment quintupled in value within two years.
• The number of students enrolled in the program quintupled last semester.
• Production costs quintupled due to the shortage of raw materials.