English Thesaurus
(noun) 
Definition
the possibility of bringing about misfortune or loss
There is a small risk of brain damage.
Synonyms
danger
There is a real danger that people will not be able to afford insurance.
,
chance
This partnership has a good chance of success.
,
threat
The company was reprieved from the threat of closure.
,
possibility
There is still a possibility of unrest in the country.
,
prospect
There is little prospect of having these questions answered.
, , , ,
likelihood
The likelihood is that people would be willing to pay.
,
probability
the probability of life on other planets
(noun) 
Definition
a person or thing considered as a potential hazard
This was one risk that paid off.
Synonyms
gamble
the President's risky gamble in calling an election
,
chance
I certainly think it's worth taking a chance.
,
venture
a Russian-American joint venture
,
speculation
speculation on the Stock Exchange
,
leap in the dark
(noun) 
He would not put their lives at risk.
Synonyms
peril
sailors in peril on the sea
,
threat
the threat of tropical storms
,
danger
These roads are a danger to cyclists.
,
hazard
a sole that reduces the hazard of slipping on slick surfaces
,
menace
In my view you are a menace to the public.
,
jeopardy
A series of setbacks have put the whole project in jeopardy.
(verb) 
Definition
to act in spite of the possibility of (injury or loss)
Those who fail to register risk severe penalties.
Synonyms
stand a chance of
,
chance
No sniper would chance a shot from amongst that crowd.
, ,
take the risk of
(verb) 
Definition
to expose to danger or loss
She risked her life to help a woman.
Synonyms
,
endanger
This debate could endanger the peace talks.
,
jeopardize
The talks may still be jeopardized by disputes.
,
imperil
You imperilled the lives of other road users with your driving.
,
venture
Each time I ventured to speak, I was ignored.
,
gamble
Are you prepared to gamble your career on this matter?
,
hazard
He could not believe that the man would have hazarded his grandson.
,
take a chance on
,
put in jeopardy
,
expose to danger
,
take the plunge
,
skate on thin ice

Additional synonyms

in the sense of chance
Definition
the extent to which something is likely to happen
This partnership has a good chance of success.
in the sense of chance
Definition
a risk or gamble
I certainly think it's worth taking a chance.
in the sense of chance
Definition
to risk or hazard
No sniper would chance a shot from amongst that crowd.

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English Translation of "risk"
English Translation of "risk"
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Video: pronunciation of 'risk'

Source

Thesaurus for risk from the Collins English Thesaurus
#moon50
The moon is at the forefront of our minds as we celebrate the 50th anniversary of Neil Armstrong’s ‘small step’ on 20th July, 1969. This month, we’ve been exploring lunar terminology, as well as looking at how the moon has woven itself into the fabric of our everyday language.
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