| Word | Definitions | Synonyms |
|---|---|---|
| inimical | (adjective) not friendly | Synonyms: unfriendly |
| inimitable | (adjective) defying imitation; matchless | - |
| iniquitous | (adjective) characterized by iniquity; wicked because it is believed to be a sin | Synonyms: sinful, ungodly |
| initial | (adjective) occurring at the beginning | - |
| initiative | (adjective) serving to set in motion | Synonyms: first, inaugural, initiatory, maiden |
| initiatory | (adjective) serving to set in motion | Synonyms: first, inaugural, initiative, maiden |