- 2Significado: trivialinsignificant trifling unimportant uselessworthless vain idle unavailing
- 3Significado: uselessfutile unavailing unfruitful nugatoryworthless inefficient vain
- 4Significado: futilehopeless fruitless profitless vainineffectual purposeless unavailing useless
- 5Significado: ineffectiveuseless futile fruitless unproductivepointless purposeless unavailing ineffectual