hibernation

/ˌhaɪbərˈneɪʃən/

Say it: hy-ber-NAY-shun

1. noun A state of minimal activity and metabolic depression that certain animals enter during winter to conserve energy.
Bears enter a state of hibernation to survive the cold months when food is scarce.
2. noun A period of inactivity, seclusion, or dormancy, often to rest or avoid something.
After the intense project, the entire team went into a period of hibernation to recover.
3. noun In computing, a power-saving mode that saves the contents of RAM to a hard disk, allowing a device to be completely powered off and later restored to its previous state.
I put my laptop into hibernation to save the battery without losing my open documents.

📖 Seen in the wild

Bears enter a state of hibernation during the coldest months, surviving on stored fat.
collected by @vocablast

✏️ hibernation in a sentence

Groundhogs are true hibernators, dropping their body temperature significantly during their winter sleep.
My social life goes into complete hibernation from December until March.
The startup entered a period of hibernation to conserve cash while waiting for the market to improve.
He emerged from his creative hibernation with a manuscript for a new novel.
Scientists are studying the secrets of animal hibernation for potential applications in human space travel.
If you're leaving your computer for a long time, hibernation is a better power-saving option than sleep mode.
The whole town seems to go into hibernation after the summer tourists leave.

🔁 Synonyms & antonyms

dormancy torpor inactivity lethargy quiescence stasis seclusion

dormancy · a broader term for any period of suspended growth, not necessarily tied to winter or animals.

torpor · a more technical term for a state of decreased physiological activity, which can be short-term.

inactivity · a general term for a lack of action that doesn't imply the deep, biological state of hibernation.

Opposites: activity, wakefulness, animation, aestivation

🌱 Where it comes from

The word hibernation comes directly from the Latin verb 'hibernare', meaning 'to pass the winter'. This in turn derives from 'hibernus' for 'wintry'. So, at its root, hibernation is simply the act of wintering over, a concept that has been extended from animals to people and technology.

🧩 How it's used

Common patterns:

enter hibernationdeep hibernationcome out of hibernationstate of hibernationwinter hibernation

Hibernation is most precisely used in its biological sense. When used figuratively, it implies a prolonged period of quiet and withdrawal from normal life, not just a short rest. A common point of confusion is with 'aestivation', which is a similar state of dormancy that occurs in response to summer heat or drought, not winter cold.

Word family: hibernate, hibernal, hibernator

💬 Quick answers

What does hibernation mean?

Hibernation is a state of deep inactivity and reduced metabolic rate that some animals enter during the winter. Figuratively, it means any long period of inactivity or seclusion.

What's the difference between hibernation and sleep?

Hibernation is a much deeper and longer state than sleep. During hibernation, an animal's heart rate, breathing, and body temperature drop dramatically, which does not happen during normal sleep.

What is the difference between hibernation and dormancy?

Dormancy is a general term for any period when an organism's growth and activity temporarily stop. Hibernation is a specific type of dormancy that occurs in animals in response to cold winter conditions.

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