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All Words (80 Words)

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Advanced Words (24 Words)

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Word List

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Word	Meaning	Advanced
polar	adj: relating to, or close to, the North or South Pole; characterized by complete opposites
swallow	v: to make food, drink, pills, etc., pass down your throat into your stomach; (noun) small long-winged songbird noted for swift, graceful flight and the regularity of its migrations
prey	n: the object of a hunt; an animal hunted or trapped for eating
shark	n: a long-bodied, mostly predatory marine fish that has sharp teeth and a pointed fin on its back; a person who is ruthless, greedy, and dishonest
whale	n: a very large sea mammal that has a streamlined body and breathes through a blowhole on the head; a very large person; impressive in size or qualities
tuna	n: a large fish of the mackerel family, found in warm seas; commonly used for commercial and sport fishing and as a food source for humans and other animals
unique	adj: being the only one of its kind; unlike anything else
adaptation	n: the action or process of changing to suit different conditions
dominant	adj: more important, influential, or easy to notice than anything else of the same type
predator	n: an animal whose natural behavior is to prey on others
hatchling	n: a young bird, reptile, or fish that has emerged from its egg
gulf	n: a large ocean inlet or deep bay that is partially enclosed by land
eyelash	n: any of the short hairs that grow around the eyes
develop	v: to grow or expand; to improve or refine through a process of progress and refinement, often to achieve greater sophistication or complexity; to elaborate or add detail to something that is in the process of being created
endothermy	n: the ability of an organism to maintain a stable internal body temperature through metabolic processes, also known as warm-bloodedness
regulate	v: to control something, especially by means of rules or laws
temperature	n: the degree of hotness or coldness of a thing or place
oxygen	n: the chemical element with the symbol O that is present in air and water and is necessary for people, animals, and plants to live
gill	n: a respiratory organ of fish and some other aquatic animals that extracts dissolved oxygen from water and excretes carbon dioxide
process	n: a series of actions or operations performed to achieve a particular outcome or goal; a systematic procedure or approach used to accomplish a specific task or objective; a method of treating milk to make it suitable for consumption or use in other dairy products
generate	v: to produce or create something; to make offspring by reproduction
hunt	v: to go after and try to catch wild animals to kill them for food, sport, or profit
mechanism	n: a part of a machine, or a set of parts that performs a task; a natural or established process that occurs during a specific situation or reaction
countercurrent	n: a system where fluid flows in opposite directions in adjacent channels or vessels, used in various biological processes such as heat exchange and oxygen transport
exchange	v: to give something and receive something else in return, often with the implication that the items being traded are of equal or comparable value; (noun) the act of giving or taking something in return for something else; a place or system where goods or services can be bought, sold, or traded
trap	n: a piece of equipment or hole for catching animals or people; (verb) to catch animals or people and prevent them from escaping
vessel	n: a ship or large boat
rete	n: a network-like structure found in various organs of the body, consisting of interconnected blood vessels, nerves, or tubes
warm-blooded	adj: of or relating to animals that regulate their body temperature internally, typically mammals and birds, and maintain a relatively constant temperature regardless of external conditions; figuratively, passionate, enthusiastic, or emotionally expressive
advantage	n: a condition or circumstance that puts one in a favorable or superior position; a beneficial feature or asset that someone or something has
marine	adj: relating to the sea and the creatures and plants that live there
environment	n: the natural world such as air, water, and land in which humans, animals, and plants live
cold-blooded	adj: of or relating to animals that cannot control their body temperature internally, typically reptiles, amphibians, and fish, and rely on external sources of heat to maintain their body temperature; figuratively, unemotional, callous, or lacking in empathy
entirely	adv: completely
sluggish	adj: lacking energy, vitality, or motivation; slow or inactive in response, movement, or progress
vision	n: the ability to think about or see the future with imagination and intelligence; the faculty of being able to see
thrive	v: to grow vigorously; to make steady progress
arctic	adj: of or relating to the region around the North Pole or the Arctic Ocean; very cold
streamline	v: to simplify or make more efficient by eliminating unnecessary parts or steps
torpedo	n: a weapon that is designed to be launched from a ship, submarine, or aircraft and that is propelled through the water by a motor
fin	n: a thin flat part on the body of a fish or other aquatic animal used for propulsion or balance
groove	n: a long, narrow cut or depression in a hard material or surface; a particular style of popular music characterized by a strong and repetitive rhythm
drag	v: to pull or haul with force
maximum	adj: the largest or greatest amount or value attainable or attained
orc	n: a mythical creature often portrayed as a monstrous humanoid typically depicted in fantasy literature and film
cruise	n: a voyage on a large ship for pleasure; driving or traveling at a leisurely pace
adapt	v: to make fit for or change to suit a new purpose or environment
absorb	v: to take in a fluid or other substance gradually
constant	adj: happening repeatedly or all the time
chase	v: to pursue something or someone to catch or capture them; to go after something vigorously or with determination; (noun) a pursuit or a hunt; a narrow groove or channel cut into a surface, often used for decorative purposes
squid	n: a sea creature with a long and soft body, large eyes, eight arms, and two tentacles (= long parts like arms), and that is sometimes used for food
crustacean	n: a type of arthropod, such as a crab, lobster, or shrimp, that has a hard outer shell or exoskeleton
mackerel	n: a type of saltwater fish commonly eaten as food, known for its oily flesh and distinctively striped appearance
superior	adj: better, higher in quality, or more advanced than others
unlimited	adj: without any limits or restrictions
spawn	v: to lay eggs or to produce offspring; to cause something to develop
frequent	adj: happening constantly
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
origin	n: the first existence or beginning of something
release	v: to set free or allow to escape from confinement
sperm	n: the reproductive cell produced by a man or male animal
migrate	v: to move from one country or region to another and settle there; to move from one place to another periodically or seasonally
specimen	n: an individual example or sample of something, typically used to represent a larger group or category
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
indomitable	adj: impossible to defeat, discourage or subdue; unconquerable; unyielding in spirit
vulnerable	adj: capable of being hurt or influenced physically or mentally
humming	adj: producing a continuous, low, vibrating sound like that of the bee
ancient	adj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old
skyrocket	v: to rapidly ascend to a very high level; increase rapidly;
sushi	n: a Japanese dish consisting of vinegared rice, often combined with fish or vegetables and sometimes wrapped in seaweed
steak	n: a thin slice of meat, typically beef, grilled or fried and served as a main dish
individual	n: a single person or thing, as distinct from a group
promote	v: to encourage or persuade people to like, buy, use, do, or support something; to raise someone to a higher position or rank
overfishing	n: the removal of too many fish from a body of water, causing a decline in population levels and harm to the ecosystem
illegal	adj: not allowed by law
conservation	n: the protection of something important, such as the natural environment or artificial structures, especially from the damaging effects of human activity
redouble	v: to intensify or increase the effort or magnitude of something; to repeat or do something over again with increased intensity or fervor
quota	n: a limited amount or share of something assigned or allocated; a restriction on the number of people or goods that can enter or leave a country
enforce	v: to make sure that people obey a particular law, rule, or situation
recover	v: to return to a former condition, health, mind, or strength