Nova S43E15: English vocabulary

a soft, wet area of ground that is difficult to walk on

to make a loud cry like an elephant

tall, strong, and healthy-looking

a person or thing that solves a problem or puzzle

loud, busy, and full of confusion or excitement

to stir cream or milk until it becomes butter

end in a particular result or at a particular point

in a nervous way

a strong feeling of wanting to do something or of being excited about it

singing Christmas carols, often while going from house to house

to make someone feel annoyed, upset, or disappointed

describing a relationship in which two different things help each other

smooth and continuous, with no breaks or problems

a board used in gymnastics or diving to jump from

a person who leads a synagogue service in singing and prayer

holding something gently and protectively

more able or skilled than someone or something else

an exercise machine with a moving belt that lets you walk or run in one place

a substance made by a cell or gland and released into the body or outside it

in a way that relates to the mind, thinking, or intelligence

make something stronger, more intense, or more noticeable

the part at the back of the eye that senses light and sends visual signals to the brain

to become weaker, quieter, or less severe

to want something very much, especially something you have lost or cannot have

flavored with curry

a small school building, especially in the past or in a rural area

giving out or handing out something, often quickly or generously

in a way that relates to school, college, or study

a village in the southwestern U.S. built in the traditional style of some Native American peoples

difficult or unlucky conditions in life

a return of something after it has been less common or less popular

a small tool used for engraving or carving hard material

something that makes a surface, line, or shape even or level

written or marked lightly with a pencil

showing toughness, courage, and determination

full of joy; very happy and cheerful

deep sadness or emotional pain

to make a train or tram leave its tracks

a person who is not accepted by a group or society

aware of something and careful about it

to hurt or punish someone in return for something they did to you

to put someone or something in danger

the practice of selling unpaid bills to get money before they are paid

a ruler or high-ranking leader in some Muslim countries

to talk with someone in a formal or polite way

in a very close and personal way

the act of getting back something that was lost or stored

comfort or relief when you are sad, upset, or in pain

causing trouble or interruption, especially in a class, meeting, or routine

making someone feel less hopeful or confident

used to show happiness, excitement, or approval

the study of correct reasoning

a piece of clothing with trousers and a bib front, worn over a shirt for work or casual wear

courage and determination to keep going in a difficult situation

able to move quickly and easily

giving someone or something close attention

a branch of mathematics that uses derivatives and integrals to study change and motion

reacting quickly to a change or stimulus

the way a person thinks about things and makes decisions

to move very slowly and carefully in a particular direction

happening from time to time, with breaks in between

in a way that seems to happen by magic

a person or machine that checks, marks, or scores work

to support or strengthen something

a synthetic material used in paints, plastics, and fibers

a sudden moment of understanding or realization

locked with a key

something that causes a reaction, interest, or activity

to a very great degree; extremely

used to say that someone is deeply involved in a bad or unwanted activity

to hit something quickly with your hand

to fill something too full by pushing things in

a part inside an engine or pump that moves back and forth in a tube

to make a sound, signal, or effect stronger or louder

a noisy, confused disturbance

moving or walking with quick, light steps