Alphabetic I
| 49 | ironclad | adjective | See |
| 50 | intimidate | verb | See |
| 51 | inevitable | adjective | See |
| 52 | infiltrate | verb | See |
| 53 | impoverished | adjective | See |
| 54 | infinitesimal | adjective | See |
| 55 | inferno | noun | See |
| 56 | imbecile | noun | See |
| 57 | infinitesimal | adjective | See |
| 58 | ingratitude | noun | See |
| 59 | imminent | adjective | See |
| 60 | impregnable | adjective | See |