Fr. l’ignorance; Ger. die Unwissenheit.

Imperative Mood. Sign the verb in question, then strike the flat right, palm down, onto the flat left, palm up. Or add Push. (C)

Impossible. Sign Can and Not. See also Cannot. The Cheyennes use True, Not.

Fr. impossible; Ger. unmöglich.

Imprison. See Arrest.

In, Inside, or Within (To put into). Make a semicircle of the left arm held out level; then drop the compressed right hand downward between the left and the body. Outside begins the same, but the right drops outside the left.

Inside, i.e., in a Hole. Make a horizontal ring of the left index and thumb, then drop the right index down into it. For a house, use Enter.

Fr. en, dedans, dans; Ger. in, drin, im Innern.