SKIP TO CONTENT

Death on the River of Doubt: Prologue–Chapter 1

This true story chronicles Theodore Roosevelt's 1913 expedition into the Amazon jungle with a team of men including his son Kermit and renowned Brazilian explorer Cândido Mariano da Silva Rondon.

Here are links to our lists for the book: Prologue–Chapter 1, Chapters 2–3, Chapters 4–6, Chapters 7–15, Chapter 16–Epilogue
35 words 206 learners

Learn words with Flashcards and other activities

Full list of words from this list:

  1. insidious
    working or spreading in a hidden and usually injurious way
    A slight breeze offered some relief from the insidious and torturous swarms of biting flies, stinging bees, and disease-spreading mosquitoes.
  2. torturous
    extremely painful or unpleasant
    A slight breeze offered some relief from the insidious and torturous swarms of biting flies, stinging bees, and disease-spreading mosquitoes.
  3. expedition
    a journey organized for a particular purpose
    Even with mosquito nets and bug repellent, everyone on the expedition was covered with painful bites.
  4. scarce
    deficient in quantity or number compared with the demand
    The expedition had discovered the hard way that in this part of the unexplored Amazon jungle, for some reason unknown to them, food was scarce. The Brazil nuts they had been counting on to sustain them were in short supply, and the piglike tapir, with its prehensile snout, was elusive. And in this section of the river, with the exception of the vicious saw-toothed piranhas, fish were few and far between.
  5. sustain
    provide with nourishment
    The expedition had discovered the hard way that in this part of the unexplored Amazon jungle, for some reason unknown to them, food was scarce. The Brazil nuts they had been counting on to sustain them were in short supply, and the piglike tapir, with its prehensile snout, was elusive. And in this section of the river, with the exception of the vicious saw-toothed piranhas, fish were few and far between.
  6. prehensile
    adapted for grasping especially by wrapping around an object
    The expedition had discovered the hard way that in this part of the unexplored Amazon jungle, for some reason unknown to them, food was scarce. The Brazil nuts they had been counting on to sustain them were in short supply, and the piglike tapir, with its prehensile snout, was elusive. And in this section of the river, with the exception of the vicious saw-toothed piranhas, fish were few and far between.
  7. elusive
    skillful at evading capture
    The expedition had discovered the hard way that in this part of the unexplored Amazon jungle, for some reason unknown to them, food was scarce. The Brazil nuts they had been counting on to sustain them were in short supply, and the piglike tapir, with its prehensile snout, was elusive. And in this section of the river, with the exception of the vicious saw-toothed piranhas, fish were few and far between.
  8. piranha
    small carnivorous fish of South America
    The expedition had discovered the hard way that in this part of the unexplored Amazon jungle, for some reason unknown to them, food was scarce. The Brazil nuts they had been counting on to sustain them were in short supply, and the piglike tapir, with its prehensile snout, was elusive. And in this section of the river, with the exception of the vicious saw-toothed piranhas, fish were few and far between.
  9. lush
    produced or growing in extreme abundance
    Their progress down the Amazon was slow, and after paddling less than two miles that day, steep hills covered with lush green trees appeared before them. It was a sight to behold. But the beauty was quickly overshadowed by the fearsome sound of rapids just ahead.
  10. behold
    see with attention
    Their progress down the Amazon was slow, and after paddling less than two miles that day, steep hills covered with lush green trees appeared before them. It was a sight to behold. But the beauty was quickly overshadowed by the fearsome sound of rapids just ahead.
  11. overshadow
    be or appear greater in importance or achievement than
    Their progress down the Amazon was slow, and after paddling less than two miles that day, steep hills covered with lush green trees appeared before them. It was a sight to behold. But the beauty was quickly overshadowed by the fearsome sound of rapids just ahead.
  12. churning
    (of a liquid) agitated vigorously; in a state of turbulence
    The adventurers knew all too well that it was dangerous to try to paddle their six canoes through the churning waters, and they couldn’t risk losing any more canoes or food.
  13. heave
    lift or elevate
    The men above pulled the wet ropes, their hands burning, while those below lifted and shoved, heaving the canoe up. Finally, the canoe was free, and the men slowly dragged it up to safety.
  14. ordeal
    a severe or trying experience
    The same procedure was repeated for the second canoe. It was a much-needed victory as both canoes were saved. But the adventurers quickly realized their success had come at a price. During the ordeal, Roosevelt had slammed his leg into a boulder, gouging his shin.
  15. gouge
    make a groove in
    The same procedure was repeated for the second canoe. It was a much-needed victory as both canoes were saved. But the adventurers quickly realized their success had come at a price. During the ordeal, Roosevelt had slammed his leg into a boulder, gouging his shin.
  16. relentless
    never-ceasing
    For the last two days, the voyage hadn’t been any different as the steamer inched along the coast of Brazil. Despite this, the passengers onboard—at least the ones who weren’t made seasick by the relentless rocking motion—were awed by the sight of huge porpoises and flying fish sailing out of the choppy sea as the vessel cut through the storm.
  17. gorge
    a deep ravine, usually with a river running through it
    A few months prior, Kermit had been standing on a steel beam that was being hoisted over the river gorge when the crane slipped. Kermit plunged thirty-five feet, “bouncing like a ball” into a rocky ravine.
  18. aggregate
    a sum total of many heterogeneous things taken together
    In a letter to his son, Roosevelt wrote:
    “By George! It was the narrowest squeak I have heard of and it was a marvel that you got through as well as you did—although two broken ribs, two broken back teeth and water on the knee make an unpleasant aggregate of injuries...I cannot say how inexpressibly thankful I am that the accident came out all right. We are all of us much concerned about you.”
  19. impenetrable
    not admitting of passage into or through
    The mighty Amazon jungle, which landed squarely in that unknown space, was a dangerous, dense, and nearly impenetrable wilderness.
  20. merciless
    lacking pity, compassion, or forgiveness
    For those who dared to enter the jungle, many did not make it out alive. Merciless disease, wild beasts, and Indian attacks were a constant threat. Even those who survived its perils warned others against going, calling it suicidal, and telling them to expect nothing less than catastrophe.
  21. peril
    a source of danger
    For those who dared to enter the jungle, many did not make it out alive. Merciless disease, wild beasts, and Indian attacks were a constant threat. Even those who survived its perils warned others against going, calling it suicidal, and telling them to expect nothing less than catastrophe.
  22. catastrophe
    a state of extreme ruin and misfortune
    For those who dared to enter the jungle, many did not make it out alive. Merciless disease, wild beasts, and Indian attacks were a constant threat. Even those who survived its perils warned others against going, calling it suicidal, and telling them to expect nothing less than catastrophe.
  23. privilege
    a special advantage or benefit not enjoyed by all
    Though Roosevelt was born into a wealthy family, living a life of privilege and luxury in New York City, he chose to live a “strenuous life,” meaning, in his words, “the life of toil and effort, of labor and strife.”
  24. strenuous
    taxing to the utmost; testing powers of endurance
    Though Roosevelt was born into a wealthy family, living a life of privilege and luxury in New York City, he chose to live a “strenuous life,” meaning, in his words, “the life of toil and effort, of labor and strife.”
  25. toil
    productive work, especially physical work done for wages
    Though Roosevelt was born into a wealthy family, living a life of privilege and luxury in New York City, he chose to live a “strenuous life,” meaning, in his words, “the life of toil and effort, of labor and strife.”
  26. strife
    bitter conflict; heated or violent dissension
    Though Roosevelt was born into a wealthy family, living a life of privilege and luxury in New York City, he chose to live a “strenuous life,” meaning, in his words, “the life of toil and effort, of labor and strife.”
  27. frail
    physically weak
    Roosevelt would grow up to be “as fit as a bull moose,” but when he was a child, he was very sickly, frail, and nervous.
  28. acute
    experiencing a rapid onset and short but severe course
    As a child, Roosevelt suffered from acute asthma, a respiratory disease that caused his airways to constrict, making it difficult for him to breathe.
  29. constrict
    become tight or as if tight
    As a child, Roosevelt suffered from acute asthma, a respiratory disease that caused his airways to constrict, making it difficult for him to breathe.
  30. desperation
    hopeless recklessness
    All Roosevelt could do was stay in bed, propped up on pillows, feeling like he was being strangled as he coughed, wheezed, and gasped for breath. Sometimes, in desperation, his father would load him into a horse-drawn carriage and speed through the city streets, hoping the air would be forced into his son's lungs and help him breathe.
  31. sociable
    inclined to or conducive to companionship with others
    He successfully raised a few baby gray squirrels, feeding them milk through a glass syringe. His tree frog lived in the parlor, while his snapping turtle could be found tied to the laundry tub. In an empty flower pot he housed a sociable family of white-footed mice.
  32. tame
    overcome the wildness of; make docile and tractable
    But the woodchuck proved to be a mistake. It was a bad-tempered animal, despite Roosevelt's best efforts to tame it.
  33. reluctantly
    with a certain degree of unwillingness
    The only time his mother put her foot down was when dead mice were found stored in the icebox. Roosevelt reluctantly got rid of them, feeling it was a terrible “loss to science.”
  34. fauna
    all the animal life in a particular region or period
    Pages from Roosevelt’s field notes of the flora and fauna of New York, New Jersey, and Vermont, plus his hand-drawn map. He began this notebook when he was thirteen years old.
  35. taxidermy
    the art of mounting the skins of animals
    Roosevelt, who had a growing collection of birds, wanted to learn how to do taxidermy so he could stuff and preserve his specimens himself.
Created on Wed Jun 29 19:52:54 EDT 2022 (updated Fri Jul 15 14:10:21 EDT 2022)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.