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trial (EN)
noun, verb, adjective

noun “trial”

singular trial, plural trials
  1. a formal legal process in a court to decide if someone is guilty or innocent of a crime
    The trial attracted media attention for weeks.
  2. a test of the performance, quality, or suitability of someone or something
    They conducted trials to determine the best design.
  3. a limited-time evaluation period offered by software developers
    Would you like a 7-day trial for this language-learning app?
  4. a difficult or challenging experience that tests a person's patience or endurance
    Living in a foreign country can be a real trial at times.
  5. an event where people or animals compete to qualify for a team or competition
    He impressed the coaches during the basketball trials.
  6. (in medicine and science) an experiment to study the effectiveness or safety of a treatment or procedure
    The new drug is undergoing clinical trials.
  7. the grammatical category referring to exactly three items
    Some languages have the trial in addition to the singular and the plural.

verb “trial”

infinitive trial; he trials; past tense trialed us, trialled uk; past part. trialed us, trialled uk; ger. trialing us, trialling uk
  1. to test something to see how well it works or if it is suitable
    The company is trialing a new product in select markets.
  2. to test someone's ability or performance in a particular role or job
    The team is trialing new players for the upcoming season.

adjective “trial”

base form trial, non-gradable
  1. relating to or used in a test or trial
    They are using a trial version of the software.
  2. referring to the grammatical number used for exactly three items
    The language has trial pronouns for groups of three.