labor [(1) work; (2) workers as a group]
Building a house is hard labor. (1)
Organized labor is a major force in American politics. (2)

laboratory [a room or place where experiments in science are done]
The medical students spent much of their time in the laboratory.

lack [(1) to be without; (2) the condition of needing, wanting or not having]
The farmhouse lacked heat and electricity. (1)
The lack of rain caused the crops to fail. (2)

lake [a large area of fresh water surrounded by land]
She swam across the lake.

land [(1) to come to the earth from the air; (2) the part of the earth not covered by water; (3) the ground]
Airplanes land at airports. (1)
Only 25 percent of the earth's surface is land. (2)
He bought this land ten years ago. (3)

language [(1) words and their use; (2) what people speak in a country, nation or group]
She was interested in how new words come into the language. (1)
How many languages do you speak? (2)

large [(1) big; (2) being of more than usual size, amount or number; (3) opposite small]
How large is your house? (1)
He had a large voice for such a small man. (2)
She was a large woman. (3)

last [(1) to continue; (2) after all others; (3) the only one remaining]
The talks will last three days. (1)
He was the last person to arrive. (2)
She is the last person in line. (3)

late [(1) after the correct time; (2) near the end; (3) opposite early]
He arrived an hour late for work. (1)
The doctor said she would have her baby late in the year. (2)
Do you like to eat early or late? (3)

laugh [to make sounds to express pleasure or happy feelings]
I always laugh at her funny stories.

launch [(1) to put into operation; (2) to begin; (3) to send into the air or space]
The terrorists launched an attack in the middle of the night. (1)
She said she soon will launch her campaign for mayor. (2)
The United States launched an Apollo spacecraft on a flight to the moon. (3)

law [all or any rules made by a government]
The mayor urged city officials to pass the new law.

lead [(1) to show the way; (2) to command; (3) to control; (4) to go first]
I could not find the store until he led me to it. (1)
General Wilcox will lead the special anti-terrorist force. (2)
He leads our music department. (3)
She followed as he led the way. (4)

leak [to come out of or to escape through a small opening or hole (usually a gas or liquid)]
Oil leaked from the broken pipe.

learn [(1) to get knowledge about; (2) to come to know a fact or facts]
He learned calculus in high school.(1)
She wondered how he learned where she lived. (2)

leave [(1) to go away from; (2) to let something stay where it is]
His son will leave home next year for college. (1)
Please leave me alone. (2)

left [(1) on the side that is toward the west when one is facing north; (2) opposite right]
Do you write with your left hand? (1)
I am lost because I turned left instead of right. (2)

legal [of or in agreement with the law]
He said his lawyer gave him good legal advice.

legislature [a government lawmaking group]
The legislature makes laws.

lend [(1) to permit someone to use a thing temporarily; (2) to make a loan of money]
Joe said he will lend me his car tomorrow. (1)
None of his friends would lend him any money. (2)

less [(1) smaller in amount; (2) not as much]
His doctor said he should eat less meat. (1)
She travels less in her new job. (2)

let [(1) to permit to do or to be; (2) to make possible]
Let me help you with that. (1)
She let him drive her new car. (2)

letter [a communication in writing sent to another person]
I wrote a letter to you last night.

level [(1) the amount or height that something reaches or rises to; (2) the position of something or someone]
The river rose to its highest level in history during the flood last year. (1)
He has worked at the top levels of government for many years. (2)

liberal [one who usually supports social progress or change]
Liberal lawmakers proposed a bill to reduce the cost of medicine for older Americans.

lie [(1) to have one's body on the ground or other surface; (2) to say something that one knows is not true]
She said she needed to lie down for a few minutes to rest. (1)
The official told the court he did not lie about his campaign money. (2)

life [(1) the time between being born and dying; (2) opposite death; (3) all living things]
She spent her life helping people. (1)
He died, but doctors brought him back to life. (2)
She wrote a history of life on Earth. (3)

lift [to take or bring up to a higher place or level]
We watched the rising water lift the house and carry it away.

light [(1) a form of energy that affects the eyes so that one is able to see; (2) anything that produces light; (3) bright; (4) not heavy]
We could see the island clearly in the sun's light. (1)
Please leave the light on when you go. (2)
The room was painted light blue. (3)
She said her bag was light, but I could not lift it. (4)

lightning [light produced by electricity in the air, usually during a storm]
Lightning filled the dark sky like fireworks.

like [(1) to be pleased with; (2) to have good feelings for someone or something; (3) in the same way as; (4) similar to]
I like this new dress. (1)
I like her very much. (2)
Much training is needed to sing like he does. (3)
She sounds like my sister. (4)

limit [(1) to restrict to a number or amount; (2) the greatest amount or number permitted]
The hotel limits the number of people sleeping in each room. (1)
The limit is four people in each room. (2)

line [(1) a long, thin mark on a surface; (2) a number of people or things organized; (3) one after another; (4) the edge of an area protected by military forces]
He used his sword to make a line in the sand. (1)
The soldiers stood in a line, side by side. (2)
They turned and marched in a line, one after another. (3)
Enemy soldiers could not break through allied lines. (4)

link [(1) to connect; (2) to unite one thing or event with another; (3) a relation between two or more things, situations or events]
The Russian and American spacecraft linked with each other in orbit. (1)
The royal marriage linked the two kingdoms. (2)
Scientists found a link between tobacco and lung cancer. (3)

liquid [a substance that is not a solid or gas, and can move freely, like water]
Ice changes to liquid when the temperature rises above zero degrees Celsius.

list [(1) to put in writing a number of names of people or things; (2) a written series of names or things]
Please list your name, address and telephone number. (1)
This is a list of all the things I plan to do today. (2)

listen [to try to hear]
If you listen very carefully, you can hear them singing.

literature [all the poems, stories and writings of a period of time or of a country]
He is interested in ancient Greek literature.

little [(1) not tall or big; (2) a small amount]
He has a little dog named Elmo. (1)
She could not buy it because she had only a little money with her. (2)

live [(1) to have life; (2) to exist; (3) having life; (4) alive]
She lived for many years after her operation. (1)
He lives in Chicago. (2)
Please do not cut down a live tree. (3)
He said some polio vaccines were made from a live virus. (4)

load [(1) to put objects on or into a vehicle or container; (2) that which is carried]
She told him to load the boxes in the back of the car. (1)
The truck carried a full load of fruit from Florida. (2)

loan [(1) money borrowed that usually must be returned with interest payments; (2) something borrowed]
The bank made a 10,000-dollar loan to him yesterday. (1)
I gave him those tools only as a loan. (2)

local [about or having to do with one place]
They told him about a local place where he could get a good dinner.

lonely [(1) feeling alone and wanting friends; (2) visited by few or no people]
The city is full of lonely people. (1)
He was a lonely man after his wife left. (2)

long [(1) not short; (2) measuring from beginning to end; (3) measuring much; (4) for much time]
We saw a long snake behind the house. (1)
The road is three miles long. (2)
※one mile = 1.6 kilometers
Those pictures were made by someone who lived long before my people came to this land. (3)
I knew her a long time ago. (4)

look [(1) to turn the eyes toward so as to see; (2) to search or hunt for; (3) to seem to be]
He looked at her for a long time. (1)
I looked for that book but I could not find it. (2)
She looks like my sister. (3)

lose [(1) to have no longer; (2) to not find; (3) to fail to keep; (4) to be defeated]
The prisoner lost all hope of escape. (1)
The little boy lost his toy car. (2)
He worried that he might lose his job. (3)
Their school lost the big game. (4)

loud [(1) having a strong sound; (2) full of sound or noise]
The speaker had a loud voice. (1)
The music at the rock concert was too loud. (2)

love [(1) to like very much; (2) to feel a strong, kind emotion (sometimes involving sex); (3) a strong, kind emotion for someone or something; (4) opposite hate]
He loved walking in the mountains. (1)
She liked to pretend that he loved her more than anyone. (2)
She has a great love for music. (3)
He said his love for her would never die. (4)

low [(1) not high or tall; (2) below the normal height; (3) close to the ground]
You will find low prices for products on the Internet. (1)
The airplane flew low over the town. (2)
Fog is a low cloud near the ground. (3)

loyal [showing strong friendship and support for someone or something]
The President chose loyal supporters to serve in his cabinet.

luck [something that happens by chance]
He always has good luck in finding a place to park his car.