| indisposed(adjective, restrained, limited, restricted, captive) |
| indisputable |
| indubitable(adjective, clear, sound, firm, plain) |
| insociable(adjective, cold, modest, unfriendly, aloof) |
| insured(adjective, set, solid, certain, sure) |
| intent(adjective, serious, resolute, persistent, unwavering) |
| irrefutable(adjective, clear, sound, firm, plain) |
| jailed(adjective, restrained, limited, restricted, captive) |
| laid up(expression, adjective, restrained, limited, restricted) |
| limited(adjective, restrained, restricted, prearranged, captive) |
| locked on(expression, adjective, strong, easy, solid) |
| loner(adjective, indifferent, detached, distant, remote) |
| made certain(expression, adjective, solid, certain, sure) |
| made sure |
| mean business(expression, adjective, serious, resolute, persistent) |
| mothballed |
| obstinate(adjective, serious, resolute, persistent, unwavering) |
| on the rocks(expression, idiom, witting, versant, pansophic) |
| open-and-shut |
| packed |