🔗 Слова, похожие по смыслу на strenuous

big hard serious strong great stressful relentless painful onerous significant deep-rooted uphill considerable energetic cumbersome extensive vigorous violent harsh forceful rigid challenging severe hectic huge rigorous dedicated difficult persistent arduous large aggressive vast fervent heroic massive bitter resolute intense tedious tense determined tremendous major heavy tough fierce substantial active vivid enormous hardship formidable immense exhausting stubborn robust intensive