| incomparable |
| inconsequent |
| inconsequential(adjective, insignificant, unimportant, trivial, irrelevant) |
| inconsiderable(adjective, insignificant, unimportant, trivial, inconsequential) |
| inconsiderate(adjective, insignificant, unimportant, trivial, inconsequential) |
| inconsistent(adjective, remote, unsuitable, irrelevant, repugnant) |
| independent different(expression, adjective, separate, distinct, inappropriate) |
| indifferent(adjective, insignificant, inconsequential, irrelevant) |
| inessential(adjective, insignificant, unimportant, trivial, inconsequential) |
| inoperative(adjective, inapplicable) |
| insignificant(adjective, unimportant, trivial, inconsequential, irrelevant) |
| invalid(adjective, inapplicable) |
| irrespective(adjective, irrelation) |
| matter of indifference(expression, adjective, idiom, unimportant, trivial) |
| meaningless(adjective, insignificant, unimportant, trivial, inconsequential) |
| mismatched(adjective, separate, distinct, inappropriate, irrelevant) |
| no big deal(expression, adjective, idiom, unimportant, trivial) |
| no never mind(expression, adjective, idiom, unimportant, trivial) |
| non-essential |
| nonapplicable(adjective, inapplicable) |