inopinate /in-opˈi-nāt/ (obsolete)

1. Not thought of
2. Unexpected

• impenetrable
• impenetrably
• impenetrate
• impenetrated
• impenetrates
• impenetrating
• impenetration
• impenetrations
• impenitence
• impenitences
• impenitencies
• impenitency
• impenitent
• impenitently
• impenitents
• impennate
• imper.
• imperatival
• imperative
• imperatively
• imperative mood
• imperative moods
• imperativeness
• imperatives
• imperator