1. An unpredictable phenomenon
   - toss-up, even chance

Derived forms: tossups, toss-ups

Type of: chance, fortune, hazard, luck

• business organization
• business plan
• business relation
• business relationship
• business school
• business sector
• business suit
• business traveler
• business traveller
• businesslike
• businessman
• businessmen
• businesspeople
• businessperson
• businesswoman
• busk
• busker
• buskin
• busload
• busman
• busman's holiday
• BuSpar
• buspirone
• buss
• bust