chance
chance /ˈtʃæns/
adjective

()
Occurring, appearing or singled out by chance
(
casual
, chance
)
occurring, appearing or singled out by chance
Seek help from casual passersby
seek help from casual passersby
A casual meeting
a casual meeting
A chance occurrence
a chance occurrence
noun

()
A possibility due to a favorable combination of circumstances
(
chance
, opportunity
)
a possibility due to a favorable combination of circumstances
The holiday gave us the opportunity to visit Washington
the holiday gave us the opportunity to visit Washington
Now is your chance
now is your chance

()
An unknown and unpredictable phenomenon that causes an event to result one way rather than another
(
hazard
, fortune
, luck
, chance
)
an unknown and unpredictable phenomenon that causes an event to result one way rather than another
Bad luck caused his downfall
bad luck caused his downfall
We ran into each other by pure chance
we ran into each other by pure chance

()
A risk involving danger
(
chance
)
a risk involving danger
You take a chance when you let her drive
you take a chance when you let her drive

()
A measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
(
chance
, probability
)
a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible
The probability that an unbiased coin will fall with the head up is 0.5
the probability that an unbiased coin will fall with the head up is 0.5
If that phone call is for me, chances are it's my wife
if that phone call is for me, chances are it's my wife

The possibility of future success
(
chance
, prospect
)
the possibility of future success
His prospects as a writer are excellent
his prospects as a writer are excellent
verb

()
Be the case by chance
(
chance
)
be the case by chance
I chanced to meet my old friend in the street
I chanced to meet my old friend in the street

()
Take a risk in the hope of a favorable outcome
(
hazard
, adventure
, chance
, gamble
, risk
, run a risk
, take a chance
, take chances
)
take a risk in the hope of a favorable outcome
When you buy these stocks you are gambling
When you buy these stocks you are gambling

Come upon, as if by accident; meet with
(
chance
, happen
, bump
, encounter
, find
)
come upon, as if by accident; meet with
We find this idea in Plato
We find this idea in Plato
I happened upon the most wonderful bakery not very far from here
I happened upon the most wonderful bakery not very far from here
She chanced upon an interesting book in the bookstore the other day
She chanced upon an interesting book in the bookstore the other day