play a role
To have an effect or influence on a situation or outcome; to contribute to something.
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role
UK /ɹəʊl/ US /ɹoʊl/
noun 6
Definitions
noun
1
A character or part played by a performer or actor.
My neighbor was the lead role in last year's village play.
Her dream was to get a role in a Hollywood movie, no matter how small.
2
The expected behaviour of an individual in a society.
The role of women has changed significantly in the last century.
3
The function or position of something.
Local volunteers played an important role in cleaning the beach after the oil spill.
What role does the wax in your earhole fulfill?
4
Designation that denotes an associated set of responsibilities, knowledge, skills, or privileges
The project manager role is responsible for ensuring that everyone on the team knows and executes his or her assigned tasks.
As students all over the United States knuckle down to learning, the rumble of war drums once more proclaims Mars high man in Europe. Discarding morbid curiosity, every student should consider it vitally necessary to get a general picture of the causes, movements, and possible effects of World War II. The average U. S. citizen's knowledge of World War II will probably decide his role in it.
5
The function of a word in a phrase.
Examining these verbs one by one, what one finds is that Auxiliary Selection does correlate in the expected way with the two kinds of optional transitivity, confirming that with each predicate, one semantic role has a fixed link with initial 1-hood, another with initial 2-hood.
noun
1
An ancient unit of quantity, 72 sheets of parchment.
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