English Reference
noun · verb · adjective

trial

n. · v. · adj.
US /ˈtɹaɪəɫ/ UK /tɹˈaɪəl/ tri·al UK spelling trial's, trial's

  1. 01 B2 Upper Intermediate Law

    n.a formal meeting in a court where a judge or jury decides if someone is guilty of a crime.

    n.a formal examination of evidence before a judge, and typically a jury, in order to decide guilt in a case of criminal or civil proceedings.

    Simple

    The murder trial lasted for three weeks before the jury reached a verdict.

    In context

    The high-profile fraud trial was adjourned until Monday to allow the defense team more time to review the newly discovered financial records.

  2. 02 B2 Upper Intermediate

    n.a test to see how well someone or something performs before making a final decision.

    n.a formal or systematic test of the performance, qualities, or suitability of someone or something.

    Simple

    The company is offering a free 30-day trial of their new software.

    In context

    Clinical trials for the new vaccine were expanded to include a broader demographic to ensure its efficacy across different age groups.

  3. 03 C1 Advanced Literary

    n.a person or situation that is very difficult to deal with or tests your patience.

    n.a person, experience, or situation that tests a person's endurance, patience, or faith.

    Simple

    Living in such a small apartment with four roommates was a real trial.

    In context

    The long winter proved to be a severe trial for the isolated community, testing their resources and their resolve to the limit.

  4. 04 B2 Upper Intermediate

    v.to test a new product or way of doing things to see if it is successful.

    v.to subject a product, process, or person to a series of tests to evaluate performance or suitability.

    Simple

    The school is trialling a new lunch menu to see if the students like it.

    In context

    The hospital began trialling the automated patient-monitoring system in the intensive care unit before considering a facility-wide rollout.

    testpilottry out
  5. 05 B2 Upper Intermediate

    adj.used for a test or for a short time to see if something works.

    adj.relating to a test or done on a provisional basis to assess effectiveness.

    Simple

    They are running a trial period for the new flexible working hours.

    In context

    The trial separation allowed the couple to evaluate their relationship without the immediate pressure of divorce proceedings.

Usage trial before judge · trial lawyer · trial updates

Mangione also faces a separate state trial over Thompson's death.

BBC News· 13 Aug 2026

He also faces a separate state trial over Thompson's death.

BBC News· 14 Aug 2026

Etymology 1

From Middle English trial, triall, from Anglo-Norman trial, triel, from trier (“to pick out, cull”) + -al. More at English try.

Etymology 2

From Latin tri- (stem of trēs (“three”)) + -al, on the pattern of dual.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin xno trial
Level B2 · Upper Intermediate
Frequency Very common
Updated