- Emperor of Japan (since 1989). He succeeded his father, Hirohito.明仁：日本天皇（1989年即位）。他接替了其父亲裕仁天皇
- indigo bunting
- indigoes
- indigos
- indigo snake
- indigo squill
- indigotin
- indigotins
- indigo–blue
- indinavir
- indinavirs
- Indio
- indirect
- indirect evidence
- indirection
- indirect lighting
- indirect object
- indirect tax
- indiscernible
- indiscernibles
- indiscipline
- indiscreet
- indiscrete
- indiscretion
- indiscriminate
- indiscriminating