inocente, innocent, simple.

inquietarse, to worry, be troubled.

inquieto, uneasy, restless, worried; de —, with (for) uneasiness.

inquietud, f., uneasiness, anxiety.

insaciable, insatiable.

insalubre, unhealthful.

inseguro, unsteady, faltering.

insensato, mad, insensate.

insensiblemente, insensibly.

insigne, notable, illustrious, distinguished.