- 2Significado: diligentassiduous industrious persevering unremitting ardent studious constantpersistent weariless zealous hardworking tireless untiring sedulous
- 3Significado: energeticindefatigable unfailing inexhaustibleunflagging stalwart tireless
- 4Significado: steadfastresolute untiring unfailing unflagging tireless persistentfirm constant persevering unyielding reliable unfaltering
- 5Significado: assiduoustireless untiring unrelenting persistingunflagging consistent continuous
- 6Significado: propertybusy tireless animated diligenteager earnest efficient active