contribute /kənˈtrɪbjuːt/ (verb) to give something, especially money or goods, to help achieve or provide something Example: Make sure your boss is aware of the work you contributed to the project
contribution /ˌkɑːntrɪˈbjuːʃn/ (noun) a gift or payment that is made to a person or an organization in order to help pay for something Example: A person's true value does not lie in his appearance, but in his achievements and contributions to the community.
speed /spiːd/ (noun) the rate at which somebody/something moves or travels Example: There are speed restrictions on this road.
speedy /ˈspiːdi/ (adjective) happening or done quickly or without delay Example: We need to make a speedy decision.
optimistic /ˌɑːptɪˈmɪstɪk/ (adjective) expecting good things to happen or something to be successful; showing this feeling Example: He is optimistic about his life.
eradicate /ɪˈrædɪkeɪt/ (verb) to destroy or get rid of something completely, especially something bad Example: The government claims to be doing all it can to eradicate corruption.
materialistic /məˌtɪriəˈlɪstɪk/ (adjective) caring more about money and possessions than anything else Example: Children today are so materialistic.
eradication /ɪˌrædɪˈkeɪʃn/ (noun) the act of destroying or getting rid of something completely, especially something bad Example: The eradication of the disease which once took millions of lives has now been successful.
pessimistic /ˌpesɪˈmɪstɪk/ (adjective) expecting bad things to happen or something not to be successful; showing this Example: The doctors are pessimistic about his chances of recovery.
pessimism /ˈpesɪmɪzəm/ (noun) a feeling that bad things will happen and that something will not be successful Example: There is now a mood of deepening pessimism about the economy.
pessimist /ˈpesɪmɪst/ (noun) a person who always expects bad things to happen Example: Don't be such a pessimist!
optimism /ˈɑːptɪmɪzəm/ (noun) a feeling that good things will happen and that something will be successful Example: There was a note of optimism in his voice as he spoke about the company's future.
optimist /ˈɑːptɪmɪst/ (noun) a person who always expects good things to happen or things to be successful Example: She's a born optimist.
terrorism /ˈterərɪzəm/ (noun) the use of violent action in order to achieve political aims or to force a government to act Example: The bomb explosion was one of the worst acts of terrorism that Italy has experienced in recent years.
terror /ˈterər/ (noun) a feeling of extreme fear Example: Lots of people have a terror of monsters.
terrorist /ˈterərɪst/ (noun) a person who takes part in terrorism Example: Several terrorists have been killed by their own bombs.
terrorize /ˈterəraɪz/ (verb) to frighten and threaten people so that they will not oppose something or will do as they are told Example: Street gangs have been terrorizing the neighbourhood.
be bound to /bi baʊnd tu/ (verb) Example: They're bound to be home soon.
be likely to /bi ˈlaɪkli tu/ (verb) Example: It's likely to rain.
materialize /məˈtɪriəlaɪz/ (verb) to take place or start to exist as expected or planned Example: Her hopes of becoming a painter materialized.
materialism /məˈtɪriəlɪzəm/ (noun) the belief that money, possessions and physical comforts are more important than spiritual values Example: We have become a self-centered society, preoccupied with materialism.
speed up /spiːd ʌp/ (phrasal verb) to move or happen faster; to make something move or happen faster Example: Can the job be speeded up in some way?
life expectancy /ˈlaɪf ɪkspektənsi/ (noun) the number of years that a person is likely to live; the length of time that something is likely to exist or continue for Example: Life expectancy in Vietnam has been greatly increased.
centenarian /ˌsentɪˈneriən/ (noun) a person who is 100 years old or more Example: There are few centenarians in Vietnam.