KEY: Headstrong, [See OBSTINATE].

• Imperceptible, [See PERCEPTIBLE]
• Impercipient, [See PERCIPIENT]
• Imperfection
• Imperfect, [See PERFECT]
• Imperforate, [See PERFORATE]
• Imperial
• Imperil, [See ENDANGER]
• Imperious
• Imperishable, [See PERISHABLE]
• Impermanence, [See PERMANENCE]
• Impermeable, [See PERMEABLE]
• Impersonal, [See PERSONAL]
• Impersonate
• Impertinent, [See PERTINENT]
• Imperturbable, [See PERTURB_and_STOICAL]
• Impervious, [See PERVIOUS]
• Impetrate
• Impetuous, [See HASTY]
• Impiety, [See PIETY]
• Impignorate, [See PAWN]
• Impinge, [See IMPACT]
• Impious
• Implacable, [See PLACABLE]
• Implant, [See PLANT]
• Implement