Of a person, person's heart, etc.: lacking good sense or judgement; unwise. Later also in weakened sense: silly, ridiculous.

Ill-advised; misguided, injudicious.

Not marked, distinguished, or prompted by (practical) wisdom; characterized by lack of sound judgement; injudicious.

Without discernment or sound judgement. Obsolete.

Of persons, their opinions, etc.: misjudging, mistaken. archaic in later use.

Not ordered in the mind; not thought out; ill-considered.

That misjudges something or someone; that passes a mistaken judgement.

Not judicial; esp. (a) not relating to, characteristic of, or befitting a judge or judges; not in accordance with justice; (b) lacking or not…

Injudicious; having, showing, or characterized by poor judgement; imprudent, unwise.

That does not judge (in various senses of the verb); esp. (a) lacking judgement or discernment, uncritical; (b) unjudgemental, uncensorious.

Not judicially; esp. (a) in a manner uncharacteristic of or unbefitting a judge or judges, or not in accordance with justice; (b) in a manner which…

Wanting sound judgement; deficient in the power of judging aright. Obsolete.

Judging faultily or mistakenly; uncritical; injudicious.

That inadvertently worsens one's situation, or causes one difficulty or embarrassment; having a tendency to do this. Cf. to shoot oneself in the foot…