KEY: Inner, Inmost.
SYN: Interior, vital, secret, close.
ANT: Exterior, outer, outermost, open.

• 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
• Impletion
• Implicate
• Implication, [See IMPLICATE]
• Implicit
• Implied, [See IMPLICIT]
• Implore, [See ENTREAT]
• Imply
• Impolite, [See POLITE]
• Impolitic, [See POLITIC]
• Imponderable, [See PONDERABLE]
• Imponderous, [See PONDEROUS]