1. The ordinal number of one thousand in counting order
   - thousandth

See also: ordinal

• unimpeachable
• unimpeachably
• unimpeded
• unimportance
• unimportant
• unimposing
• unimpregnated
• unimpressed
• unimpressionable
• unimpressive
• unimpressively
• unimprisoned
• unimproved
• unincorporated
• unindustrialised
• unindustrialized
• uninebriated
• uninfected
• uninflected
• uninfluenced
• uninfluential
• uninformative
• uninformatively
• uninformed
• uninhabitable