1. A rival; a competitor

1. Having rivaling claims; in rivalry

Derived forms: corrivals

• sleeper nest
• sleepily
• sleepiness
• sleeping
• sleeping accommodation
• sleeping around
• sleeping bag
• sleeping beauty
• sleeping capsule
• sleeping car
• sleeping draught
• sleeping hibiscus
• sleeping partner
• sleeping pill
• sleeping policeman
• sleeping room
• sleeping sickness
• sleeping tablet
• sleepless
• sleepless person
• sleeplessly
• sleeplessness
• sleepover
• sleepwalk
• sleepwalker