trying Synonyms

challenging painful severe onerous demanding difficult stressful taxing testing troublesome tough burdensome nerve-racking hard nerve-wracking attempting rough arduous test rencounter thorny ticklish tiring rehearsing tiresome pushing retry tasting struggling seek sticky scrutinizing stodgy sample straining strenuous striving seeking toiling toilsome backbreaking grueling gruelling nettlesome labouring unbearable soul-destroying test drive working on at-bat