Grade 1 High School English Vocabulary Review

Vocabulary practice flashcards providing definitions for key academic and high-frequency terms compiled from the Grade 1 study list.

communication

The process of exchanging information, ideas, thoughts, or feelings between individuals or groups.

adaptation

The biological or behavioral process of adjusting to suit environmental conditions or new circumstances.

uncertainty

The state of being unsure, doubtful, or lacking definite knowledge about an outcome.

hippocampus

A curved brain structure located in the temporal lobe that plays a major role in learning and memory.

subordinate

Lower in rank, status, or importance; placed in or belonging to a secondary position.

apartheid

A historic political and social system of institutionalized racial segregation and discrimination.

camouflage

The disguise, coloring, or patterning that enables an animal or object to blend into its surrounding environment.

resilience

The capacity to recover quickly from difficulties, stress, or adversity.

dementia

A chronic or persistent disorder of mental processes caused by brain disease or injury, marked by memory loss and impaired reasoning.

facilitate

To make an action, process, or task easier or help it run more smoothly.

hypothesis

A proposed explanation or educated guess made on the basis of limited evidence as a starting point for further investigation.

nocturnal

Done, occurring, or active predominantly during the night rather than the daytime.

prevalent

Widespread, commonly occurring, or generally accepted in a particular area or at a particular time.

speciation

The evolutionary process by which biological populations evolve to become distinct species.

stimulus

A detectable change or event in the environment that evokes a specific functional reaction in an organ or tissue.

dormancy

A state of temporary inactivity or suspended growth, development, and metabolic activity in an organism.

forage

To search widely for food, provisions, or supplies.

inhibit

To hinder, restrain, prevent, or slow down an action or process.

pathogen

A biological agent, such as a bacterium, virus, or microorganism, capable of causing disease.

scarcity

The state of being limited, deficient, or in short supply relative to demand.

surplus

An amount of an asset, good, or resource remaining after requirements have been met; an excess.

torpor

A state of physical or mental inactivity, characterized by reduced body temperature and metabolic rate in animals.

salinity

The concentration of dissolved salts present in a given volume of water or soil.

velocity

The speed of an object in a specified direction.

analogy

A comparison between two different things, typically highlighting shared features for the purpose of explanation.

conform

To comply with rules, social standards, conventional behaviors, or laws.

deceive

To deliberately cause someone to believe something that is not true; to mislead.

endemic

Regularly found among particular people or restricted to a specific geographic region.

loiter

To stand, linger, or wait around idly without an apparent purpose.

remedy

A medicine, treatment, or solution that cures, relieves, or corrects an illness, problem, or condition.

stamina

The sustained physical or mental energy and endurance required to perform an activity over a prolonged period.

subsidy

A sum of money granted by a government or public body to assist an industry or business to keep commodity prices low.

tactile

Connected with, perceived by, or relating to the physical sense of touch.

tyranny

Cruel, unreasonable, and oppressive exercise of power or control by a ruler or government.