1. (of animals that have several estrous cycles in one breeding season) in a period of sexual inactivity
   - dioestrous, diestrual, dioestrual

See also: anestrous

• sleepless
• sleepless person
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• sleepover
• sleepwalk
• sleepwalker
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• sleepwear
• sleepy
• sleepy dick
• sleepy sickness
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• sleight of hand