英语词库
(形容词) 
Definition
giving cause for concern
His condition was serious but stable.
同义词
grave
He says the situation in his country is very grave.
,
bad
The pain is often so bad she wants to scream.
,
critical
Ten of the injured are said to be in a critical condition.
,
worrying
the worrying trend of anorexia among younger girls
, ,
acute
The war aggravated an acute economic crisis.
, ,
severe
a business with severe cash flow problems
,
extreme
people living in extreme poverty
,
grievous
He survived in spite of suffering grievous injuries.
(形容词) 
Definition
concerned with important matters
I regard this as a serious matter.
同义词
important
an important economic challenge to the government
,
crucial (informal)
the most crucial election campaign in years
,
urgent
There is an urgent need for food and water.
,
pressing
There is a pressing need for more funds.
, , , ,
significant
It is the first drug that seems to have a significant effect on this disease.
, ,
far-reaching
far-reaching reforms on human rights
,
momentous
the momentous decision to send in the troops
,
fateful
What changed for him in that fateful year?
,
weighty
Surely such weighty matters merit a higher level of debate?
,
no laughing matter
,
of moment or consequence
反义词
(形容词) 
Definition
requiring concentration
It was a question which deserved serious consideration.
同义词
thoughtful
a thoughtful and scholarly book
, ,
careful
One has to be extremely careful when dealing with these people.
,
deep
a period of deep personal crisis
,
profound
a book full of profound and challenging insights
,
in-depth
(形容词) 
Definition
requiring concentration
a serious novel
同义词
,
cultured
He is a cultured man with a wide circle of friends.
,
intellectual
They were very intellectual and witty.
,
literary
a literary masterpiece
,
sophisticated
Recently her tastes have become more sophisticated.
,
scholarly
He was an intellectual, scholarly man.
,
heavyweight
,
highbrow
He presents his own highbrow literary programme.
,
highbrowed
(形容词) 
Definition
not cheerful
He's quite a serious person.
同义词
solemn
His solemn little face broke into smiles.
, ,
grave
She could tell by his grave expression that something terrible had happened.
, ,
sober
We are now far more sober and realistic.
, ,
sedate
She took them to visit her sedate, elderly cousins.
, ,
staid
a staid country doctor
,
humourless
He was a straight-faced, humourless character.
,
long-faced
,
pensive
She looked suddenly sombre and pensive.
,
unsmiling
反义词
(形容词) 
Definition
in earnest
You really are serious about this, aren't you?
同义词
sincere
He accepted her apologies as sincere.
, ,
earnest
Rupert was an earnest young man.
,
resolved
He was resolved to stay till the end.
,
genuine
There was genuine joy in the room.
, ,
honest
I was honest about what I was doing.
,
resolute
a decisive and resolute international leader
,
in earnest
I can never tell whether he is in earnest or not.
反义词

其他同义词

in the sense of acute
Definition
(of a disease) sudden and severe
The war aggravated an acute economic crisis.
in the sense of bad
Definition
severe
The pain is often so bad she wants to scream.
in the sense of careful
Definition
cautious in attitude or action
One has to be extremely careful when dealing with these people.

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Video: pronunciation of 'serious'

学习资源

serious 的词库—— 柯林斯 英语词库
Life on the edge
The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Indulge your adventurous spirit by exploring some associated ‘extreme’ vocabulary. Will you have the survival skills to master our quiz?
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