Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A state of mental or physical inactivity or insensibility.
- n. Lethargy; apathy. See Synonyms at lethargy.
- n. The dormant, inactive state of a hibernating or estivating animal.
Century Dictionary and Cyclopedia
- n. Loss of motion or sensibility; numbness or inactivity of mind or body; torpidity; torpidness; dormancy; apathy; stupor: as, the torpor of a hibernating animal; the torpor of intoxication or of grief.
- n. Dullness; sluggishness; apathy; stupidity.
Wiktionary
GNU Webster's 1913
- n. Loss of motion, or of the motion; a state of inactivity with partial or total insensibility; numbness.
- n. Dullness; sluggishness; inactivity.
WordNet 3.0
- n. a state of motor and mental inactivity with a partial suspension of sensibility
- n. inactivity resulting from lethargy and lack of vigor or energy
Etymologies
- Latin, from torpēre, to be stiff; see ster-1 in Indo-European roots.
Examples
“Hibernation: Each winter bears enter a sluggish state called torpor, which is not true hibernation.”
“has broken the spell under which we lay in torpor for ages, taking it to be the normal condition of certain races living in certain geographical limits.”
“Elizabeth alone had the power to draw me from these fits; her gentle voice would soothe me when transported by passion, and inspire me with human feelings when sunk in torpor.”
“In this subdued metabolic state, called torpor, hibernators ratchet down their inner thermostats, precipitously lower their heart and respiratory rates, and tune out nearly all external stimuli.”
The Washington Post: Many species use hibernation to survive the rigors of winter
“It can enter a state called torpor in which the body temperature, normally more than 105 degrees Fahrenheit, falls to below 70.”
“They are preparing for a long winter of temporary hibernation known as torpor by chomping down about 20,000 calories per day.”
“What finally pulled Cassy from the depths of her torpor was a sudden stinging sensation in her nose followed by a series of violent sneezes.”
Invasion
“The first sharp sensation which roused her from her torpor was a quick desire to see him once more; up she sprang, and climbed to an out-jutting dizzy point of rock, but a little above her sheltered nook, yet commanding a wide view over the bare, naked sands; -- far away below, touching the rippling water-line, was Stephen Bromley, busily gathering in his nets; besides him there was no living creature visible.”
“Experiments with Djugarian hamsters, native to Siberia, showed that when the tiny rodents temporarily lower their metabolism and body temperatures, a state called torpor, it stops and even reverses a natural breakdown of chromosomes linked to ageing.”
“Experiments with Djugarian hamsters native to Siberia showed that when the tiny rodents temporarily lower their metabolism and body temperatures, a state called torpor, it stops and even reverses a natural breakdown of chromosomes linked to ageing.”
Lists
These user-created lists contain the word ‘torpor’.
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Mikey's favorite words
Here they are. Enjoy.
unconscionable, egregious, thunderfuzzled, magnanimous, stumblepony, somnambulant, torpor, nefarious, beamish, recalcitrant, recidivist, hogshead and 1 more...
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Express Yourself
Words Describing Emotions
abhor, diffident, bullience, effusice, enervate, frenetic, impetuous, implacable, listless, mercurial, rancorous, reticent and 7 more...
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sleep
hypnopompic, hypnagogic, nocturnal vertigo, soporific, sleep debt, slow-wave sleep, sleep inertia, sleep hygiene, bruxism, exploding head sy..., hypnic jerk, oneironaut and 5 more...
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esotericisms
words that make me warm inside
kinemacolour, sardonic, entente, saturnine, ens, ensanguine, causa sui, entelechy, epicheirema, ex post facto, peccadillo, illation and 27 more...
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Weird words
Words that don´t like it how it looks, feels (can they?), spell or...

kingparton I had put out the light, and a torpor had come over me that was more like an anesthetic than sleep.
Gustavo Corção, Who If I Cry Out Nov 18, 2011
ianmunro I just love words and everything about them! Finding the right one to use at the right time, understanding their power, subtlety and application fascinates me! And their history! Sep 22, 2008