unpropˈer adjective

1. Improper
2. Common, not one's own (Shakespeare)

unpropˈerly adverb

• indecipherably
• indecision
• indecisions
• indecisive
• indecisively
• indecisiveness
• indecisivenesses
• indeclinable
• indeclinably
• indecomposable
• indecorous
• indecorously
• indecorousness
• indecorousnesses
• indecorum
• indecorums
• in deed
• indeed
• in deep doo-doo
• in deep water
• in deep waters
• indef.
• indefatigability
• indefatigable
• indefatigableness