Occurring, operating, or done at the same time.

the process of organizing different elements to work together effectively

The investigation of outer space by means of manned and unmanned spacecraft.

a venomous snake with a hood that can be spread when threatened

extremely cruel or violent; wild and fierce; uncivilized

a man who is a member of a religious community living under vows

a system for detecting the presence, direction, distance of aircraft, ships by sending out radio waves

a military operation to capture a place by surrounding it and cutting off supplies

to make a continuous deep, resonant sound

a powdery substance that binds materials together; to make something strong or permanent

to go down on one's knees; to rest on the knees

Poisonous or harmful gases that can cause illness or death

the front surface of a person's or animal's body between the neck and the stomach

relating to the region around the South Pole

a bird of prey with broad wings and strong talons used for hunting

a small ornamental case, typically made of gold or silver, worn on a chain around the neck

Relating to the identification of long-term or overall aims and interests and the means of achieving them.

in a way that relates to society or social interaction

A piece of equipment used to hit the ball in sports like tennis or badminton; also a loud noise or an illegal scheme.

restricted to a particular person, group, or area; not shared with others

a poor farmer or agricultural laborer who owns or rents a small piece of land for cultivation

to bring something to an end or to stop something from continuing

old or discarded articles that are considered useless or of little value; things of poor quality

the practice of keeping something secret; the state of being kept hidden

Shockingly bad or excessive; very unusual or amusing.

a large black bird known for its intelligence and harsh call

complete; absolute; transparent; very steep

a rich, intense, or dark shade of any color

having or showing trust in someone or something; trusting

absence of difficulty or effort; comfort and relaxation

The main story of a piece of writing, or the series of events that happen in it.

located all around a particular place or thing; nearby

to comfort someone who is sad or disappointed; to provide solace

The quality of behaving or speaking in such a way as to avoid causing offense or revealing private information.

Produced or involving production without the use of chemical fertilizers, pesticides, or other artificial agents.

relating to Cuba, its people, or its culture

the power to fascinate someone; the state of being intensely interested

signs or indications of a disease or condition

The middle of the day; twelve o'clock in the daytime; noon

Characteristics that help organisms adjust to their environment

A form of government with a monarch at the head, where supreme power is held by a single person such as a king or queen.

cold, miserable, or without hope

an expression of disagreement or disapproval; a reason for disagreeing

The reliable availability of energy sources at an affordable price for a nation or region.

Regular travel to and from workplace, daily journey for work.

To arrange things in a straight line; to adjust or bring into proper relation or agreement.

an evaluation or assessment, usually numerical

a failure or collapse of a system or machinery

able to be relied on as honest or truthful; deserving of trust

a fictitious name used by an author instead of their real name; a pseudonym

A sentimental longing for the past, typically for a period or place with happy personal associations.

not fitting or appropriate for a particular purpose or situation

The action or process of intervening; involvement in a situation to improve or help it.

the complete loss or absence of hope; a state of feeling hopeless

The trunk of the human body, excluding the head and limbs.

worth the time, effort, or money spent; valuable

a person or organization that provides funds for a project or activity in exchange for publicity or support

Life or existence that some believe continues after physical death.

a person not in the armed forces or police

a large organ in the body that cleans the blood and produces bile to help digest food.

feeling a strong sense of dislike or revulsion

The trapping of the sun's warmth in a planet's lower atmosphere due to the greater transparency of the atmosphere to visible radiation from the sun than to infrared radiation emitted from the planet's surface.

the scientific study of the mind and behavior

Compassion or forgiveness shown toward someone whom it is in one's power to punish

the act of sending, passing, or spreading something such as information, energy, or disease

Negative or harmful impacts that result from an action or condition.

Made from or containing herbs, especially for medicinal purposes.

principles concerning the distinction between right and wrong behavior

a person or thing that protects someone or something

a large primate similar to a monkey but without a tail; as a verb, to imitate or mimic

to come into conflict or collision with something or someone.

a tool with a broad flat blade and long handle used for digging and moving earth, snow, or other materials

to jump high or far; to move quickly with large steps

in a regular and continuous way; without stopping or changing

To gain or obtain something, especially knowledge or skills, through effort or experience.

The elected head of a city, town, or municipality.

A substance that provides nourishment essential for growth and health of plants or animals.

either of the two organs in the chest that you use for breathing

Not feeling fear; brave or courageous

lacking knowledge or awareness about a particular subject; not educated or informed

the action of taking something away or eliminating it; dismissal from office

not connected with or relevant to something; having no bearing on the matter

a quick, sharp, sudden movement; an abrupt pull or twist; a foolish person

a wild animal of Africa and Asia that looks like a dog and makes a sound like laughter

Giving rise to public disagreement or heated discussion.

severe physical or mental suffering; extreme pain or anguish

without purpose; having no significance; pointless

an award or grant to support a student's education

dishonest or fraudulent conduct by those in power; the process of decay or decomposition

An object or feature of a landscape or town that is easily seen and recognized from a distance; an important stage or turning point.

To move or cause to move slowly or rhythmically back and forth; to influence someone's opinion or decision.

a means by which something is released, expressed, or distributed

Clearly visible or understood; obvious.

causing damage; harmful

a small hole in a tire that causes air to escape

the mathematical process of combining numbers to get a product; the act of increasing in number or amount

a person or company that creates software, buildings, or land projects

The natural home or environment of an animal, plant, or other organism.

carefully considered, deliberate, or planned

The practice of writing down your thoughts, feelings, and experiences regularly.

a special right or advantage that only one person or group has

The process of providing or obtaining the food necessary for health and growth.

Assign a job or role to someone; designate someone to a position.

to make something unable to function or operate

A person from whom one is descended; a forefather.

A situation in which a place is too blocked or crowded, causing difficulties.

an action taken in advance to prevent something dangerous or unpleasant from happening

a thing that is composed of two or more separate elements; an enclosed area with buildings

only; not involving anyone or anything else

beside; next to; together with

to decay or decompose; to become corrupt

a tool or exercise used for making holes or practicing skills

The process of reaching a conclusion through logical reasoning.

likely to happen; expected; plausible

a round root vegetable with white or purple skin and white flesh

To take back or recover something; to restore to a usable state.

the customary code of polite behavior in society or among members of a particular profession

the quality of continuing steadily despite problems or difficulties

Of, relating to, or characteristic of the sea; living or growing in the sea.

intelligence; cleverness; neat and fashionable appearance