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1. In a condition of biological rest or suspended animation
   "dormant buds"
   - hibernating, torpid
    
2. (of e.g. volcanos) not erupting and not extinct
   "a dormant volcano"
   - inactive
    
3. Lying with head on paws as if sleeping
   - sleeping
    
4. Inactive but capable of becoming active
   "her feelings of affection are dormant but easily awakened"
   - abeyant

See also: asleep, dormancy, inactive, quiescent, unerect

Antonym: active

Encyclopedia: Dormant