ignorant

That man that doth not know those things which are of use and necessity for him to know, is but an ignorant man, whatever he may know besides;

For we would not, brethren, have you ignorant of our trouble which came to us in Asia, that we were pressed out of measure, above strength, insomuch that we despaired even of life:

His manner was at best off-hand, at worst totally ignorant.

Alas, what ignorant sin have I committed?

[…] his shipping—

Poor ignorant baubles!— upon our terrible seas,

Like eggshells moved upon their surges, crack’d

As easily ’gainst our rocks: