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All Words (105 Words)

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Advanced Words (43 Words)

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Word List

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Word	Meaning	Advanced
waddle	v: to walk with short, unsteady steps, swaying from side to side; (noun) a rolling gait or awkward walk, often accompanied by the swaying of the body from side to side, as is typical of certain birds and aquatic animals
parched	adj: extremely dry, hot, or thirsty; lacking moisture to the point of being brittle or withered
platypus	n: a semiaquatic, egg-laying mammal native to Australia and Tasmania, having a broad tail, webbed feet, and a bill resembling that of a duck
severe	adj: extremely serious or bad in feeling, manner, or strict and harsh; extremely strong or vigorous
drought	n: a long period of time during which there is very little or no rain, leading to a shortage of water and often causing damage to crops and other vegetation
stream	n: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc.
mere	adj: used to emphasize how insignificant or minor someone or something is
trickle	v: to flow or drip slowly and in small amounts; to happen or occur gradually or in small quantities
survive	v: to live or exist despite a dangerous event or period
reproduce	v: to make a copy of something such as a picture, piece of text, music, etc.; to produce offspring through a sexual or asexual process
spill	v: to cause or allow liquid to run or flow over the edge of its container by accident
hunt	v: to go after and try to catch wild animals to kill them for food, sport, or profit
propel	v: to move, drive or push something forward or in a particular direction, often with a lot of force
waterproof	adj: not permitting the passage of water
trap	n: a piece of equipment or hole for catching animals or people; (verb) to catch animals or people and prevent them from escaping
underwater	adv: below or under the surface of the water
surround	v: to be all around something or somebody
receptor	n: an organ having nerve endings that respond to stimulation such as heat or cold and makes the body react in a particular way
detect	v: to find or recognize something, especially something difficult to see, hear, etc.
minuscule	adj: extremely small; tiny
electrical	adj: relating to electricity
shrimp	n: a small, freshwater or saltwater creature with a slender body and long legs
nervous	adj: worried and anxious about something; relating to the nerves
clamber	v: to climb or move in an awkward, laborious, or ungraceful way, often using one’s hands and feet
construct	v: to build or create something; to assemble or combine different parts to form something whole
burrow	v: to excavate a hole or make a tunnel in the ground by digging, typically for use as a dwelling of an animal
lizard	n: a reptile that has a relatively long body, two pairs of legs, and a tapering tail
limb	n: an arm and leg of a person or animal
horizontal	adj: parallel to the ground or in a baseline; being at the same level as all members of a group
spine	n: the series of bones running down the center of the back that protect the spinal cord and support the body; the backbone or vertebral column
quirk	n: a peculiar behavior, habit, or characteristic that is distinctive to an individual or group
monotreme	n: a primitive mammal that lays eggs instead of giving birth to live young, such as a platypus or echidna
ancient	adj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old
lineage	n: the ancestry of a person, group, or species
mammal	n: any animal of which the female gives birth to live young, not eggs, and feeds her young on milk from her own body
consequently	adv: as a result or outcome of something
mammalian	adj: of or relating to mammals, a class of warm-blooded vertebrate animals that typically nurse their young and have hair or fur on their skin; characterized by mammalian qualities, such as nurturing and protective behavior
avian	adj: relating to or characteristic of birds
reptilian	adj: resembling or characteristic of reptiles, a diverse group of cold-blooded animals that are characterized by their scaly skin, internal fertilization, and typically laying eggs on land; cold-blooded; crafty or treacherous
feat	n: a notable or impressive achievement, especially one that requires great skill or bravery
genome	n: the complete set or sequence of genes of a human, animal, plant, or other living things
instance	n: a particular example or single occurrence of something
chromosome	n: a long and string-like DNA molecule containing the part or all of the genetic material of an organism that controls what an animal or plant is like
determinant	n: a factor, circumstance, or condition that contributes to the shaping, influencing, or determining of a particular outcome or result
resemble	v: to look like or be similar to someone or something
regain	v: to get something back or recover something after it has been lost or taken away
strength	n: the quality or state of being physically, or sometimes mentally, strong
surrounding	adj: that is near or around, or closely encircling something
deforest	v: to clear an area of forest or trees
riverbank	n: the land along the edge of a river, often used for recreation or agricultural purposes
erode	v: to gradually wear away or break down (rock, soil, or other material) through the action of wind, water, or other natural agents; to gradually weaken or undermine (something) over time
upstream	adj: in the direction against a stream’s current; (adverb) toward the source or beginning of a stream, river, or process
settle	v: to reach an agreement of disagreement
sheltered	adj: protected or shielded from danger or harmful influences; inexperienced or innocent of certain unpleasantness or harsh realities of life
gum	n: a soft, sticky substance that is chewed to freshen the breath or to clean the teeth; the flesh that surrounds the teeth in the mouth
suddenly	adv: quickly and unexpectedly
rustle	v: to make a soft, crackling sound, like the sound caused by the movement of dry leaves or paper; to move quietly or furtively to avoid being heard or noticed
flush	v: to become red on your face, especially because you are embarrassed, angry, or hot; to rinse, clean, or empty something, especially a toilet, by causing large quantities of water to flow
undergrowth	n: the plants, bushes, and vegetation that grow beneath the surface of a forest or woodland; the layer of plant life that exists at ground level beneath the taller trees and shrubs in a natural ecosystem
predator	n: an animal whose natural behavior is to prey on others
threaten	v: to utter intentions of injury or punishment against someone
introduction	n: a preliminary explanation or remarks given before the start of a text, performance, or event; the act of bringing something new into existence or introducing something to a wider audience or new market
settler	n: a person who moved with a group of others to live in a different country or area
alert	v: to warn or arouse to a sense of danger; (adjective) paying close attention or being in a state of readiness for action
occupy	v: to consume all of someone’s space, attention, or time
compete	v: to strive to achieve more success than someone or something
spur	n: a thing that encourages someone to do something; any sharply pointed projection; (verb) to incite or stimulate someone or something
hind	adj: situated at the back or rear; coming after, following; of, or relating to the hindquarters or hind legs of an animal
venom	n: a toxic substance produced by an animal, typically a snake or insect, and injected into prey or an enemy by biting or stinging
occasionally	adv: now and then; sometimes but not often
eventually	adv: finally, particularly after a long time or a lot of struggle, complications, and so on
reciprocate	v: to give, feel, or show in response to something that has been given, felt, or shown; to respond to a kind or friendly gesture by doing something similar in return; to exchange or interchange in a reciprocal manner
eccentric	adj: weird or unusual, sometimes in a funny way
aid	n: things sent to help countries in need, notably food or money; support
fertilization	n: the process of joining a sperm and an egg to produce an embryo
extensive	adj: covering a large area; having a wide range
furnish	v: to provide a room or building with furniture and fittings; to provide something useful or necessary
cozy	adj: comfortable and warm; giving a feeling of comfort, warmth, and relaxation
nest	n: a structure in which animals lay their eggs or give birth to their young
tunnel	n: an underground or underwater passage, typically for trains or cars
reptile	n: a cold-blooded animal that has dry, scaly skin and lays eggs on land, such as snakes, lizards, and turtles
cloaca	n: a common cavity that serves as the only opening for the digestive, reproductive, and urinary tracts in some animals, including birds, reptiles, and amphibians
reproduction	n: the process by which organisms create offspring; the production of something similar to an original work
excretion	n: the process of eliminating waste products from the body; the waste products themselves
incubate	v: to keep warm and protected, especially to hatch eggs; to develop and nurture
bloom	n: a flower, especially one having showy or colorful parts; the best time of youth
offspring	n: descendant; any immature animal or plant
hatch	v: to cause an egg to break to allow a young animal to come out; to produce and expand something that is in an early stage
nipple	n: the dark part of the skin which sticks out from the breast of a mammal and from which milk can be secreted
ooze	v: to flow or seep out slowly, often in a thick, viscous manner; to exude or emit slowly and steadily
mammary	adj: of or relating to the breasts or milk-secreting organs
gland	n: a group of cells in an animal’s body that produce substances needed by the body and release them through ducts or directly into the bloodstream
belly	n: the front part of the body below the chest, containing the stomach and bowels; the rounded or curved part of an object, such as a ship or aircraft
slurp	v: to eat, drink, or consume with a loud or messy sucking noise; to make a loud or messy sucking noise while eating, drinking, or consuming
invite	v: to ask someone to come or join; to offer an opportunity or possibility for something to happen or take place
bacteria	n: single-celled or noncellular spherical or spiral or rod-shaped organisms that exist in large numbers in the air, water, and soil, and also in living and dead creatures and plants, and are often a cause of disease
protein	n: a molecule made up of a long chain of amino acids, which is essential for the structure and function of the body’s tissues
nurse	n: a healthcare professional who is trained to provide care for the sick or injured; (verb) to try to cure by special care or treatment of an illness or injury
evade	v: to escape from or avoid meeting someone or something
debut	n: the first public performance of an artist or actor
wane	v: to decrease in size, strength, or intensity
nestling	n: a young bird that has not yet left its nest; a recently hatched or newly born animal that is still dependent on its mother
strike	v: to wallop somebody or something with the hand, fist, or weapon; to have an emotional or cognitive impact upon
borough	n: a town, city, or district that is an administrative unit, typically smaller than a city
independence	n: freedom from another’s or others’ control or influence