Penible

Penible Meanings:

• Painstaking; assidous
• “penible”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• inflection of penibel: strong/mixed nominative/accusative feminine singular
• [slang] It may look like the word 'penible' from the french language meaning annoying, but in this case it means a fail.