Not trained by instruction or experience.

Const. with infinitive, in, or objective complement.

Of a person: not knowledgeable in a matter or subject.

Without grounding or instruction; untutored. With in. Obsolete.

Not trained in, not brought up to, some occupation.

Of a lawyer, preacher, or other professional: lacking skills or training, incompetent; unscrupulous, dishonest; (also of a preacher, chiefly in…