1. The grievance complained of; the substantial cause of the action; also, in general, the ground or essence of a complaint. Bouvier

Encyclopedia: Gravamen

• inalterable
• inamorata
• inamorato
• inane
• inanely
• inanimate
• inanimately
• inanimateness
• inanition
• inanity
• Inanna
• inapplicability
• inapplicable
• inapposite
• inappositeness
• inappreciable
• inapprehensible
• inapproachable
• inappropriate
• inappropriately
• inappropriateness
• inapt
• inaptitude
• inaptness
• inarguable