| ill-defined(adjective, unknown, unfixed, unlimited, unspecified) |
| imprecise(adjective, unknown, unfixed, unlimited, unspecified) |
| in motion(expression, happening, ongoing, started) |
| in process(expression, constant, current, continuous, happening) |
| in progress(expression, constant, current, continuous, happening) |
| indeterminable(adjective, unknown, unfixed, unlimited, unspecified) |
| indistinct(adjective, unknown, unfixed, unlimited, unspecified) |
| inexact(adjective, unknown, unfixed, unlimited, unspecified) |
| inexhaustible(adjective, unknown, unfixed, unlimited, unspecified) |
| initiated(happening, ongoing, started) |
| innumerable(adjective, unknown, unfixed, unlimited, unspecified) |
| intangible(adjective, unknown, unfixed, unlimited, unspecified) |
| interrogative |
| loaded |
| marching(constant, current, continuous, happening, ongoing) |
| negotiable |
| not restrained(adjective, end) |
| obscure(adjective, vague, unknown, unfixed, unlimited) |
| on track(expression, happening, ongoing, started) |
| open to discussion |