trial
n
1 assay, audition, check, dry run (informal) examination, experience, experiment, probation, proof, test, testing, test-run
2 contest, hearing, industrial tribunal, judicial examination, litigation, tribunal
3 attempt, crack (informal) effort, endeavour, go (informal) shot (informal) stab (informal) try, venture, whack (informal)
4 adversity, affliction, burden, cross to bear, distress, grief, hardship, hard times, load, misery, ordeal, pain, suffering, tribulation, trouble, unhappiness, vexation, woe, wretchedness
5 bane, bother, drag (informal) hassle (informal) irritation, nuisance, pain in the arse (taboo informal) pain in the neck (informal) pest, plague (informal) thorn in one's flesh, vexation
adj
6 experimental, exploratory, pilot, probationary, provisional, testing