American English Vocabulary and Definitions

Here are some American English vocabulary and definitions courtesy of to help you understand better the purpose of this website.


  1. any number of entities (members) considered as a unit
  2. a set that is closed, associative, has an identity element and every element has an inverse
  3. (chemistry) two or more atoms bound together as a single unit and forming part of a molecule
  4. arrange into a group or groups; “Can you group these shapes together?”
  5. form a group or group together


  1. (ecology) a group of interdependent organisms inhabiting the same region and interacting with each other
  2. a group of people living in a particular local area; “the team is drawn from all parts of the community”
  3. a group of people having ethnic or cultural or religious characteristics in common; “the Christian community of the apostolic age”; “he was well known throughout the Catholic community”
  4. a group of nations having common interests; “they hoped to join the NATO community”
  5. common ownership; “they shared a community of possessions”
  6. agreement as to goals; “the preachers and the bootleggers found they had a community of interests”
  7. the body of people in a learned occupation; “the news spread rapidly through the medical community”
  8. a district where people live; occupied primarily by private residences


  1. be scheduled so as to provide continuing service, as in transportation; “The local train does not connect with the Amtrak train”; “The planes don”t connect and you will have to wait for four hours”
  2. be or become joined or united or linked; “The two streets connect to become a highway”; “Our paths joined”; “The travelers linked up again at the airport”
  3. establish a rapport or relationship; “The President of this university really connects with the faculty”
  4. hit or play a ball successfully; “The batter connected for a home run”
  5. connect, fasten, or put together two or more pieces; “Can you connect the two loudspeakers?”; “Tie the ropes together”; “Link arms”
  6. land on or hit solidly; “The brick connected on her head, knocking her out”
  7. join by means of communication equipment; “The telephone company finally put in lines to connect the towns in this area”
  8. join for the purpose of communication; “Operator, could you connect me to the Raffles in Singapore?”
  9. plug into an outlet; “Please plug in the toaster!”; “Connect the TV so we can watch the football game tonight”
  10. establish communication with someone; “did you finally connect with your long-lost cousin?”
  11. make a logical or causal connection; “I cannot connect these two pieces of evidence in my mind”; “colligate these facts”; “I cannot relate these events at all”


  1. a member of the Religious Society of Friends founded by George Fox (the Friends have never called themselves Quakers)
  2. a person you know well and regard with affection and trust; “he was my best friend at the university”
  3. a person with whom you are acquainted; “I have trouble remembering the names of all my acquaintances”; “we are friends of the family”
  4. an associate who provides assistance; “he”s a good ally in fight”; “they were friends of the workers”
  5. a person who backs a politician or a team etc.; “all their supporters came out for the game”; “they are friends of the library”


  1. share in something
  2. become a participant; be involved in; “enter a race”; “enter an agreement”; “enter a drug treatment program”; “enter negotiations”


  1. (broadcasting) a communication system consisting of a group of broadcasting stations that all transmit the same programs; “the networks compete to broadcast important sports events”
  2. (electronics) a system of interconnected electronic components or circuits
  3. a system of intersecting lines or channels; “a railroad network”; “a network of canals”
  4. an interconnected system of things or people; “he owned a network of shops”; “retirement meant dropping out of a whole network of people who had been part of my life”; “tangled in a web of cloth”
  5. communicate with and within a group; “You have to network if you want to get a good job”
  6. an open fabric of string or rope or wire woven together at regular intervals


  1. make contact or come together; “The two roads join here”
  2. cause to become joined or linked; “join these two parts so that they fit together”
  3. become part of; become a member of a group or organization; “He joined the Communist Party as a young man”
  4. come into the company of; “She joined him for a drink”
  5. the shape or manner in which things come together and a connection is made
  6. a set containing all and only the members of two or more given sets; “let C be the union of the sets A and B”
  7. be or become joined or united or linked; “The two streets connect to become a highway”; “Our paths joined”; “The travelers linked up again at the airport”


  1. acquire or gain knowledge or skills; “She learned dancing from her sister”; “I learned Sanskrit”; “Children acquire language at an amazing rate”
  2. get to know or become aware of, usually accidentally; “I learned that she has two grown-up children”; “I see that you have been promoted”
  3. be a student of a certain subject; “She is reading for the bar exam”
  4. impart skills or knowledge to; “I taught them French”; “He instructed me in building a boat”
  5. commit to memory; learn by heart; “Have you memorized your lines for the play yet?”
  6. find out, learn, or determine with certainty, usually by making an inquiry or other effort; “I want to see whether she speaks French”; “See whether it works”; “find out if he speaks Russian”; “Check whether the train leaves on time”


  1. get caught; “make sure the gear is engaged”
  2. ask to represent; of legal counsel; “I”m retaining a lawyer”
  3. as of wars, battles, or campaigns; “Napoleon and Hitler waged war against all of Europe”
  4. as of aid, help, services, or support
  5. keep engaged; “engaged the gears”
  6. carry out or participate in an activity; be involved in; “She pursued many activities”; “They engaged in a discussion”
  7. give to in marriage
  8. engage or hire for work; “They hired two new secretaries in the department”; “How many people has she employed?”
  9. engage or engross wholly; “Her interest in butterflies absorbs her completely”
  10. engage for service under a term of contract; “We took an apartment on a quiet street”; “Let”s rent a car”; “Shall we take a guide in Rome?”


  1. the act of moving forward toward a goal
  2. a movement forward; “he listened for the progress of the troops”
  3. develop in a positive way; “He progressed well in school”; “My plants are coming along”; “Plans are shaping up”
  4. gradual improvement or growth or development; “advancement of knowledge”; “great progress in the arts”
  5. move forward, also in the metaphorical sense; “Time marches on”
  6. form or accumulate steadily; “Resistance to the manager”s plan built up quickly”; “Pressure is building up at the Indian-Pakistani border”


  1. something that aids or promotes well-being; “for the common good”
  2. a performance to raise money for a charitable cause
  3. financial assistance in time of need
  4. be beneficial for; “This will do you good”
  5. derive a benefit from; “She profited from his vast experience”

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