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All Words (95 Words)

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Advanced Words (35 Words)

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ancientadj: relating to the long ago, particularly the historical period preceding the fall of the Western Roman Empire; very old
numerousadj: amounting to a large indefinite number
scholarn: professor; a person who studies a topic in considerable depth, particularly in a university
eeln: a type of elongated, snake-like fish that lives in freshwater or saltwater and has a slimy, scaleless body and no pelvic fins
testiclen: one of the two oval-shaped organs in men that produce sperm and testosterone; in animals, the equivalent organ responsible for producing sperm and often also regulating testosterone levels
freshwateradj: living in, found in, or connecting with water that does not contain salt
countlessadj: too numerous to be counted or very many
dissectionn: the act or process of cutting up or dividing something to examine it
identifyv: to recognize someone or something and say or prove who or what they are
reproductiveadj: connected with the process of reproduction; relating to reproducing babies, young animals, or plants
devoidadj: completely lacking or free from something
naturalismn: a philosophical belief that everything, including human behavior and cognition, can be explained solely by natural causes and laws
proposev: to make a proposal, declare a plan for something
originn: the first existence or beginning of something
spontaneouslyadv: in a way that is natural, not planned or forced, and often sudden
emergev: to move out of or away from something and become visible
mudn: a soft, wet, sticky earth or clay
arguev: to express differing opinions or points of view, often in a heated or contentious manner; to present a case or reasoning to persuade or convince others
rubv: to move one’s hand or an object over the surface of something with pressure
subsequentadj: happening or occurring later or after something else
scrapingn: the act of removing a thin layer of material from a surface, often to clean or smooth it; a sound or sensation that is produced by something being removed or rubbed against another surface; (of computer technology) the automated extraction or collection of data from websites
hatchv: 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
rooftopn: the upper surface or cover of a building’s roof, often used for recreational or other purposes
manifestv: to show something such as feeling, attitude, quality, etc. clearly through signs or actions
gilln: a respiratory organ of fish and some other aquatic animals that extracts dissolved oxygen from water and excretes carbon dioxide
beetlen: an insect having a hard shell-like back covering its wings
reproductionn: the process by which organisms create offspring; the production of something similar to an original work
slipperyadj: difficult to hold firmly or stand on because it is wet or smooth; not to be trusted
mysteryn: something difficult to understand or explain; a secret or enigmatic quality that adds to the fascination or interest of something; a genre of fiction that involves the solution of a crime or a puzzle
rethinkv: to consider again a plan, idea, etc., especially to change it
cyclen: an interval during which a recurring sequence of events occurs; a bicycle or motorcycle
distinctadj: noticeable from something else of a similar type
larvan: the immature free-living form of insect or an animal, which at hatching from the egg, is fundamentally unlike its parent and must metamorphose
leptocephalusn: a transparent and ribbon-like larval stage of some eel species, characterized by its flat and elongated body shape
minusculeadj: extremely small; tiny
adolescentn: a young person who is in the process of developing from a child into an adult
elvern: a young eel, especially one that has recently migrated from the sea to a freshwater environment
radicaladj: relating to the essential aspects of anything; far beyond the norm, mainly used of opinions and actions
phasen: any stage in a series of events, change, or development
forgivenessn: the act of stopping feeling angry or resentful towards someone for a mistake or offense with compassion
assumev: to think or accept something to be true without having proof of it; to take or begin to have power; to begin to exhibit a specific quality or appearance
relatev: to establish a connection or association between two or more things; to narrate or tell about an event, experience, or relationship; to empathize or feel sympathy with someone or something
upstreamadj: in the direction against a stream’s current; (adverb) toward the source or beginning of a stream, river, or process
confusev: to mistake one thing for another; to make somebody hard to understand
developv: 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
entiretyn: the state of being complete or whole; the total extent or scope of something
essentiallyadv: relating to the essential features or concepts of anything
reproducev: to make a copy of something such as a picture, piece of text, music, etc.; to produce offspring through a sexual or asexual process
saltinessn: the quality or state of being salty
trianglen: a three-sided polygon with three angles; something that has three sides or parts
cyclonen: a violent, rotating windstorm that forms over tropical waters and can cause extensive damage to coastal regions, also known as a hurricane or typhoon, depending on the region in which it occurs
driftv: to move smoothly and slowly in water or air, especially as a result of outside forces, with no control over the direction
migrationn: the movement of animals to a new location, frequently as the seasons change
continentn: one of the earth’s large landmasses; (adjective) abstaining from your feelings, especially your desire to have sex
marineadj: relating to the sea and the creatures and plants that live there
approximatelyadv: close to a specific number or time but not exactly that number or time
transformv: to change in outward structure or looks;
transparentadj: easy to perceive, detect, or understand; (of a material or article) permitting light to pass through freely
brackishadj: having a slightly salty or briny taste; somewhat salty, often with a mixture of fresh and saltwater
swellv: to become larger or more inflated; to become more intense or important
lethaladj: causing or capable of causing death; extremely dangerous
explosionn: a violent release induced by a chemical or nuclear reaction
kidneyn: either of a pair of small organs in the body that filter waste products, especially urea, from the blood and excrete them and water in urine
shiftn: a slight transition in position, direction, or trend
retainv: to keep or continue to possess or maintain something
maintainv: to continue to uphold or sustain; to keep in a particular state or condition; to assert or declare something to be true
salinityn: the presence or amount of salt in a substance, especially in water or soil; the measure of the concentration of dissolved salts in a liquid
migratev: to move from one country or region to another and settle there; to move from one place to another periodically or seasonally
streamn: a small, narrow river; a continuous flow of something, such as liquid, gas, people, vehicles, etc.
pilen: a collection of objects positioned one on top of another; a large sum of something, such as money
obstaclen: a thing that blocks one’s way or prevents or hinders progress
predatorn: an animal whose natural behavior is to prey on others
opaqueadj: not transparent; not allowing light to pass through; not permitting a clear view
huntv: to go after and try to catch wild animals to kill them for food, sport, or profit
omnivoren: a type of animal that eats both plants and animals as part of their diet; a metaphorical term used to describe a person who has wide-ranging interests or can appreciate and enjoy a variety of things
proportionn: a part, share, or amount of something considered in comparative relation to a whole
dietn: the food and drink that a person, animal, or community eats and drinks regularly; a legislative assembly in certain countries, for example, Japan
roughlyadv: approximately but not precisely; with a violent manner
mysteriousadj: difficult to understand, explain, or identify; having an aura of secrecy, intrigue, or puzzlement
deducev: to arrive at an answer, a conclusion, or a decision by reasoning
breedv: to keep animals for producing offspring in a regulated manner
unthinkableadj: too unlikely or shocking to imagine or accept
surveyn: an investigation of the opinions, behavior, etc. of a particular group of people, made by asking people questions
oceanographyn: the scientific study of oceans and other bodies of saltwater, including their physical, chemical, and biological characteristics, as well as their interactions with the atmosphere and land
trawlv: to fish by dragging a net, often along the bottom of the ocean or river; to search or examine something thoroughly, often looking for a specific item or information
increasinglyadv: more and more
observev: to watch or notice something carefully, often to gather information or insights; to take note of something or someone; to celebrate or commemorate a special event or occasion
flurryn: a sudden and brief burst of activity or emotion; a light snowfall with gusty winds and swirling snowflakes; a rapid or disorganized movement of small objects, such as leaves or petals
externaladj: belonging to or situated outside of someone or something
fertilizationn: the process of joining a sperm and an egg to produce an embryo
spermn: the reproductive cell produced by a man or male animal
fertilizev: to cause an egg, female animal, or plant to develop by joining sperm from the male with them; to add a natural or chemical substance to land to make plants grow well
tanglen: a confused mass of something twisted together
seaweedn: a plant that grows in the sea or on land very close to the sea, especially marine algae
confirmv: to support or establish the truth or certainty of something previously believed or suspected to be the case

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