KEY: Obsolete.
SYN: Antiquated, past, effete, disused, archaic, old-fashioned.
ANT: Fashionable, modern, current, customary, operative, extant.

• Inactivity, [See ACTIVITY]
• Inadequate, [See ADEQUATE]
• Inadmissible, [See ADMISSIBLE]
• Inadvertence
• Inadvertent
• Inalienable
• Inane
• Inanimate, [See ANIMATE]
• Inanition
• Inanity
• Inappetency, [See APPETITE]
• Inapplicable, [See APPLICABLE]
• Inapposite, [See APPOSITE]
• Inappreciable
• Inappropriate, [See PROPER]
• Inapt, [See APT]
• Inarticulate
• Inartificial, [See ARTIFICIAL]
• Inattention, [See ATTENTION]
• Inaudible
• Inaugurate
• Inauguration, [See INAUGURATE_and_TERMINATION]
• Inauspicious, [See AUSPICIOUS]
• Inborn, [See CONGENITAL]
• Inbred, [See CONGENITAL]