1. to spend the winter in a state of inactivity or dormancy, with reduced body temperature and metabolism
Usage: third person singular present tense of 'hibernate'; commonly used of animals such as bears, hedgehogs, and ground squirrels
2. to remain inactive or unused for an extended period
Usage: figurative or informal usage; often applied to computers, devices, or people

Examples

• The bear hibernates in its den throughout the winter months.
• Ground squirrels hibernate underground to survive the cold season.
• Many insects hibernate as eggs or pupae until spring arrives.
• When not in use, the laptop hibernates to save battery power.
• The old factory hibernates during the slow season.
• Hedgehogs hibernate for several months each year.