1. lacking discrimination or selectivity; indiscriminate
2. having many casual sexual relationships
Usage: often considered judgmental

Examples

• The critic accused the museum of promiscuous collecting without regard for quality.
• His promiscuous reading habits included everything from romance novels to scientific journals.
• The garden showed promiscuous growth with weeds mixed among the flowers.
• She was known for her promiscuous lifestyle in college.
• The author’s promiscuous use of metaphors confused readers.
• Promiscuous lending practices contributed to the financial crisis.