serious
1 adj Serious problems or situations are very bad and cause people to be worried or afraid.
Crime is an increasingly serious problem in Russian society...
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seriously adv
If this ban was to come in it would seriously damage my business...
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seriousness n-uncount
...the seriousness of the crisis.
2 adj Serious matters are important and deserve careful and thoughtful consideration.
I regard this as a serious matter...
3 adj When important matters are dealt with in a serious way, they are given careful and thoughtful consideration.
My parents never really faced up to my drug use in any serious way...
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seriously adv
The management will have to think seriously about their positions.
4 adj Serious music or literature requires concentration to understand or appreciate it.
There is no point reviewing a blockbuster as you might review a serious novel.
5 adj If someone is serious about something, they are sincere about what they are saying, doing, or intending to do.
You really are serious about this, aren't you?...
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seriously adv
Are you seriously jealous of Erica?
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seriousness n-uncount
In all seriousness, there is nothing else I can do...
6 adj Serious people are thoughtful and quiet, and do not laugh very often.
He's quite a serious person...
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seriously adv
They spoke to me very seriously but politely.