| inclined |
| indignant(adjective, keen, violent, anxious, eager) |
| intense(adjective, strong, keen, warm, passionate) |
| intent(adjective, strong, keen, warm, intense) |
| interested(adjective, strong, keen, warm, intense) |
| intolerant(adjective, keen, violent, anxious, eager) |
| irascible(adjective, keen, violent, anxious, eager) |
| irritable(adjective, keen, violent, anxious, eager) |
| itchy(adjective, keen, violent, anxious, eager) |
| keen on |
| keyed up(expression, adjective, keen, warm, passionate) |
| lively(adjective, strong, keen, warm, intense) |
| longing(adjective, keen, wild, enthusiastic, excited) |
| nutty(adjective, keen, warm, passionate, excited) |
| obsessed(adjective, keen, warm, passionate, excited) |
| on pins and needles(expression, adjective, idiom, keen, violent) |
| passionate(adjective, keen, warm, intense, enthusiastic) |
| perfervid(adjective, strong, keen, warm, intense) |
| pining(adjective, keen, wild, enthusiastic, excited) |
| pious(adjective, keen, warm, intense, passionate) |