Trial

Noun

 * 1) an opportunity to test something out; a test.
 * They will perform the trials for the new equipment next week.
 * 1) appearance at judicial court.
 * 2) a difficult experience.
 * 3) an annoying person
 * That boy was a trial to his parents

Adjective

 * 1) Pertaining to a trial or test.
 * 2) Attempted on a provisional or experimental basis.

Verb

 * 1) To carry out a series of tests on (a new product, procedure etc.) before marketing or implementing it.
 * The warning system was extensively trialled before being fitted to all our vehicles.
 * 1) To try out (a new player) in a sports team.
 * The team trialled a new young goalkeeper in Saturday's match, with mixed results.

Derived terms

 * put on trial


 * trial balloon

Adjective

 * 1) Characterized by having three (usually equivalent) components.
 * 2) Triple.
 * 3)  pertaining to a language form referring to three of something, as people; contrast singular, dual and plural.

Adjectives for Trial
repeated; fiery; ancient; memorable; ludicrous; harassing; speedy; hurried; religious; gracious;  mutual;   intensified;   terrible; weary; still; bitter; countless (pi); impartial; unnecessary; supreme; petty; amicable; mock; grueling.

Verbs for Trial
appeal—; arraign for—; arrange for—; bear—; behold—; bias—; challenge to—; conclude—; conduct—; determine—; docket —; judge—; prejudice—; preside over—; protract—; scorn—; summon for—; warrant—; —absolves; —acquits; —airs; —clears; —commences; —discloses; —excul¬pates; —exonerates; —notorizes; —publicizes; —ventilates; —whitewashes.

Thesaurus
Olympic games, Olympics, R and D, acid test, adverse circumstances, adversity, affliction, aggravation, agony, anguish, annoyance, approach, arrangement, assay, assize, attempt, audition, bad luck, bad news, bane, basic training, bedevilment, bid, blank determination, blight, blue book, bore, bother, botheration, bothersomeness, bout, briefing, brouillon, bummer, calvary, care, change of venue, check, checking, clearing the decks, complication, concours, conditional, contest, control, control experiment, controlled experiment, court-martial, crack, crashing bore, criterion, cross, cross-examination, crown of thorns, crucial test, crucible, curse, cut and try, cut-and-try, deltoid, derby, determination, determined, devilment, difficulties, difficulty, distress, docimasy, dogging, downer, drag, dry run, dual, effort, empirical, empiricism, encounter, endeavor, engagement, enquiry, equipment, essay, exam, examen, examination, exasperation, experiment, experimental, experimental design, experimental method, experimental proof, experimentalism, experimentation, exploratory, familiarization, fan-shaped, feeling out, fiery ordeal, fight, final, final examination, first draft, fixing, fling, foundation, gambit, game, games, go, great go, grief, groundwork, gymkhana, harassment, hard knocks, hard life, hard lot, hard luck, hard times, hardcase, hardship, harrying, hassle, headache, hearing, heartbreak, heuristic, hit and miss, hit-or-miss, honors, hounding, inquest, inquiry, inquisition, irritant, irritation, joust, jury trial, kiteflying, lawsuit, lick, litigation, makeready, making ready, manufacture, match, matching, meet, meeting, midsemester, midterm, misery, misfortune, mistrial, mobilization, molestation, move, noble experiment, nuisance, number, offer, oral, oral examination, ordeal, persecution, pest, pilot, plague, planning, plight, plural, pragmatism, prearrangement, predicament, prelim, preliminaries, preliminary, preliminary act, preliminary step, prep, preparation, preparatory study, preparing, prepping, prerequisite, pressure, pretreatment, probation, probationary, probative, probatory, problem, processing, proof, propaedeutic, proving, provision, provisional, quiz, rally, readying, rencontre, research and development, resolute, rigor, rough draft, rough sketch, rule of thumb, sample, sea of troubles, shot, singular, sorrow, sounding out, spadework, stab, standard, step, stress, stress of life, stroke, strong bid, suffering, take-home examination, tentative, tentative method, tentativeness, test, test case, testing, three, three-in-one, tilt, touchstone, tournament, tourney, training, treatment, triadic, trial and error, trial by jury, trial run, trial-and-error, trials and tribulations, triangular, tribulation, trinal, trine, triple, triplex, tripos, triune, trouble, troubles, try, trying, tryout, undertaking, vale of tears, venture, venturesome, verification, verificatory, vexation, vexatiousness, vicissitude, visitation, viva, warm-up, whack, whirl, willing, woe, worriment, worry, written, written examination