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English definition of “trial”

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trial

noun uk   /traɪəl/ us  

trial noun (LEGAL PROCESS)

B2 [C or U] the hearing of statements and showing of objects, etc. in a law court to judge if a person is guilty of a crime or to decide a case or a legal matter: trial proceedings Trial by jury is a fundamental right. It was a very complicated trial that went on for months. She's going on/standing trial for fraud.
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trial noun (TEST)

C1 [C or U] a test, usually over a limited period of time, to discover how effective or suitable something or someone is: They're doing clinical trials on a new drug. They've employed her for a six-month trial (period). You can buy the equipment on trial ( US usually on a trial) basis, and if you don't like it you can give it back.
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trial noun (PROBLEM)

[C] a person or thing that is annoying and causes a lot of problems: She was a real trial to her parents when she was younger. The book is all about the trials of growing up.

trial noun (EXAM)

[C] Australian English an exam taken at school for practice before a real exam: Trials take place in July.
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trial

verb [T] uk   /traɪəl/ (-ll- or -l-) us  
to test something in a formal way to discover how effective or suitable it is: We will trial the new drug in several hospitals.
(Definition of trial from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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