- 2Significado: laborioushard severe tough difficultexhausting burdensome fatiguing unendurable
- 3Significado: onerousoverpowering crushing excessive mercilesstaxing fatiguing intolerable tiring
- 4Significado: dulltedious monotonous boring fatiguinghumdrum wearisome tiresome
- 5Significado: burdensomefatiguing tiring laboriousstrenuous toilsome wearisome
- 6Significado: tiringoverpowering crushing excessive mercilesstaxing fatiguing onerous intolerable
- 7Significado: difficultarduous burdensome fatiguing tiresomewearisome onerous toilsome laborious
- 8Significado: propertydifficult arduous burdensome exhausting fatiguinglaborious onerous toilsome hard
- 9Significado: strenuousenergetic emphatic fatiguing intensevigourous Herculean overwhelming arduous