英语词汇“important”的释义、区别辨析及用法例句-英语同义词词典

importantimportant /ɪmˈpɔrtnt/ adjective 1 having a lot of value and a big effect on the future► important

if something is important, it has a strong effect on a situation and people care about it:

Is money more important than happiness?

Becoming a doctor is very important to me.

► significant AWL

important and having a strong effect on what happens in the future:

The new drug is a significant step forward in our fight against the disease.

► major AWL

having a very large or important effect, especially when compared to other things:

Smoking is a major cause of lung disease.

► big (informal)

important and having a serious effect on the future. Big is less formal than important, and you use big about events, changes, and decisions:

I always ask for advice before making a big decision.

► profound (formal)

having a very strong influence or effect on a situation, especially so that major changes happen:

The writer’s experience of war had a profound effect on his work.

► momentous (formal)

a momentous event, change, or decision has a much more important effect on the future than most events, changes, or decisions:

After she made the momentous decision to cancel the wedding, she then had to tell her parents.

ANTONYMS ➔ see unimportantSYNONYM CHECKImportant or significant?You can use significant when you are talking about numbers or amounts, but you cannot use important in this way. Don’t say: There has been an important decrease in the number of bees in the wild. Say:There has been a significant decrease in the number of bees in the wild.2 necessary and having a big effect► important

necessary, because of having a big effect on you or on the future:

Eating healthy food is important for your health and makes you feel better about yourself.

It’s important to read all the instructions before you start.

► essential

needed in order to do something or for something to happen:

It’s essential that you work hard if you want to get good grades.

► vital

extremely important and necessary, and you will have serious problems if you do not have it or do it:

It is vital that you turn off the electricity before touching the wires.

► crucial AWL

important and necessary, because other things depend on it:

Our defense was great, and that was crucial to winning the game.

► critical

critical means the same as crucial:

Having a positive attitude is critical to achieving your goals.

► key

key people or things are very important and necessary in order for something to happen or be successful:

She has played a key role in the success of the company.

► imperative (formal)

extremely important and needing to be done or dealt with immediately:

It is imperative that the report is ready by tomorrow.

► instrumental (formal)

if someone is instrumental in doing something, he or she is the main reason why it happens:

He was instrumental in persuading two large companies to give money to the event.

ANTONYMS ➔ see unnecessary3 having a lot of power or influence► important

an important person or organization has a lot of power or influence:

She is an important senator who is on several committees.

All our customers are important.

► powerful

a powerful person, country, or organization has a lot of control over other people or over what happens:

China has become a very powerful country, especially economically.

► influential

having the power to affect the way something develops or how people think and behave:

This influential book is the source of many modern political ideas.

► prominent (formal)

well-known and having a lot of influence or power. You use prominent about people, not ideas or other things:

The Secretary of State is among a group of prominent politicians who oppose the bill.

► dominant AWL (formal)

more powerful than other things or people:

The United States is still the dominant economic and military power in the world.

➔ see emphasize for words meaning “to say or show that something is important” ➔ see mainADVERBS: importantYou can make the adjectives important, significant, profound, essential, vital, crucial, critical, and prominent into adverbs by using an -ly ending: You should exercise and, equally importantly, eat healthy food. | “I’m in charge,” he said importantly. | | The war profoundly influenced the writer’s work. | The information was critically important to their decision. | These two teachers figured prominently in the development of his career as a dancer.

单词	important
例句	importantimportant /ɪmˈpɔrtnt/ adjective 1 having a lot of value and a big effect on the future► important if something is important, it has a strong effect on a situation and people care about it: Is money more important than happiness? Becoming a doctor is very important to me. ► significant AWL important and having a strong effect on what happens in the future: The new drug is a significant step forward in our fight against the disease. ► major AWL having a very large or important effect, especially when compared to other things: Smoking is a major cause of lung disease. ► big (informal) important and having a serious effect on the future. Big is less formal than important, and you use big about events, changes, and decisions: I always ask for advice before making a big decision. ► profound (formal) having a very strong influence or effect on a situation, especially so that major changes happen: The writer’s experience of war had a profound effect on his work. ► momentous (formal) a momentous event, change, or decision has a much more important effect on the future than most events, changes, or decisions: After she made the momentous decision to cancel the wedding, she then had to tell her parents. ANTONYMS ➔ see unimportantSYNONYM CHECKImportant or significant?You can use significant when you are talking about numbers or amounts, but you cannot use important in this way. Don’t say: There has been an important decrease in the number of bees in the wild. Say:There has been a significant decrease in the number of bees in the wild.2 necessary and having a big effect► important necessary, because of having a big effect on you or on the future: Eating healthy food is important for your health and makes you feel better about yourself. It’s important to read all the instructions before you start. ► essential needed in order to do something or for something to happen: It’s essential that you work hard if you want to get good grades. ► vital extremely important and necessary, and you will have serious problems if you do not have it or do it: It is vital that you turn off the electricity before touching the wires. ► crucial AWL important and necessary, because other things depend on it: Our defense was great, and that was crucial to winning the game. ► critical critical means the same as crucial: Having a positive attitude is critical to achieving your goals. ► key key people or things are very important and necessary in order for something to happen or be successful: She has played a key role in the success of the company. ► imperative (formal) extremely important and needing to be done or dealt with immediately: It is imperative that the report is ready by tomorrow. ► instrumental (formal) if someone is instrumental in doing something, he or she is the main reason why it happens: He was instrumental in persuading two large companies to give money to the event. ANTONYMS ➔ see unnecessary3 having a lot of power or influence► important an important person or organization has a lot of power or influence: She is an important senator who is on several committees. All our customers are important. ► powerful a powerful person, country, or organization has a lot of control over other people or over what happens: China has become a very powerful country, especially economically. ► influential having the power to affect the way something develops or how people think and behave: This influential book is the source of many modern political ideas. ► prominent (formal) well-known and having a lot of influence or power. You use prominent about people, not ideas or other things: The Secretary of State is among a group of prominent politicians who oppose the bill. ► dominant AWL (formal) more powerful than other things or people: The United States is still the dominant economic and military power in the world. ➔ see emphasize for words meaning “to say or show that something is important” ➔ see mainADVERBS: importantYou can make the adjectives important, significant, profound, essential, vital, crucial, critical, and prominent into adverbs by using an -ly ending: You should exercise and, equally importantly, eat healthy food. \| “I’m in charge,” he said importantly. \| \| The war profoundly influenced the writer’s work. \| The information was critically important to their decision. \| These two teachers figured prominently in the development of his career as a dancer.
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