| impenetrable |
| in a corner(expression, idiom, unknowing, unbriefed) |
| in chambers(expression, unknowing, unbriefed) |
| in privacy(expression, unknowing, unbriefed) |
| in private(expression, unknowing, unbriefed) |
| in secret(expression, unknowing, unbriefed) |
| in the background(expression, idiom, isolated, unknowing, reclusive) |
| in the boonies(expression, idiom, isolated, reclusive, uncompanionable) |
| in the distance(expression, idiom, isolated, reclusive, uncompanionable) |
| in the sticks(expression, idiom, isolated, reclusive, uncompanionable) |
| incommunicado(isolated, reclusive, uncompanionable) |
| insular(isolated, reclusive, uncompanionable) |
| inward-looking(isolated, reclusive, uncompanionable) |
| isolated(reclusive, uncompanionable) |
| middle of nowhere(expression, idiom, isolated, reclusive, uncompanionable) |
| nescient(unknowing, unbriefed) |
| not home(expression, isolated, reclusive, uncompanionable) |
| not informed(expression, unknowing, unbriefed) |
| not knowing(expression, unknowing, unbriefed) |
| not told(expression, unknowing, unbriefed) |