0 having no doubt or knowing exactly that something is true, or known to be true, correct, exact, or effective:
[ + (that) ] Are you absolutely certain (that) you gave them the right number?
You should make certain (that) everyone understands the instructions.
The police seem certain (that) they will find the people responsible for the attack.
[ + question word ] I'm not certain how much it will cost.
I don't know for certain if she's coming.
I can't say for certain how long I'll be there.
1 impossible to avoid or extremely likely:
[ + to infinitive ] The population explosion is certain to cause widespread famine.
Oil prices are certain to rise following the agreement to limit production.
[ + (that) ] It is virtually certain (that) she will win the gold medal.
Even if a ceasefire can be agreed, how can they make certain (that) neither side breaks it?
Cancer sufferers no longer face certain death as they once did.
This scandal will mean certain defeat for the party in the election.
3 limited:
4 particular but not named or described:
We have certain reasons for our decision, which have to remain confidential.
Do you think war is justifiable in certain circumstances?
Certain members of the audience may disagree with what I'm about to say.
5 some:
Certain of the candidates were well below the usual standard, but others were very good indeed.
6 knowing that something is true or will happen and having no cause to feel that it may not be true or may not happen; having no doubt:
"I think Emily is going to pick up Judy." "Are you certain?"
One thing is certain – supporters of the bill are not giving up.
[ + (that) clause ] I’m certain (that) he’ll be there.
[ + question word ] I’m not certain how much it will cost.
When you report a robbery, make certain a police report is filled out (= check that this happens).
7 particular but not named or described:
9 a particular amount of money stated in an agreement that cannot be changed:
I'm absolutely certain I left my purse on the desk.
It is by no means certain that we'll finish the project by June.
His execution became certain when the state board refused his request for commutation.
Reducing the number of staff is certain to inflame the already angry medical profession.
中文繁体
無疑問的, 肯定的,無疑的, 有把握的…
More中文简体
无疑问的, 肯定的,无疑的, 有把握的…
MoreEspañol
seguro, cierto, incuestionable [masculine-feminine]…
MorePortuguês
certo, seguro, determinado…
More日本語
確信している, 限られた, ある程度の…
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kesin, emin, kat'i…
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certain/-aine, certain…
MoreCatalan
segur, cert…
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