gobbledegook or gobbledygook /gobˈəl-di-gook/ (orig US sl)

1. Unintelligible official jargon
2. Rubbish, nonsense

• gigantesque
• gigantic
• gigantically
• giganticide
• giganticides
• gigantism
• gigantisms
• gigantologies
• gigantology
• gigantomachia
• gigantomachias
• gigantomachies
• gigantomachy
• gigas
• gigawatt
• gigawatts
• gigged
• gigging
• giggit
• giggited
• giggiting
• giggits
• giggle
• giggled
• giggler