a. [f. CONCEIT sb. + -LESS.] Void of conceit; † thoughtless; † without conception or apprehension.
1591. Shaks., Two Gent., IV. ii. 96. Thinkst thou I am so shallow, so conceitlesse, To be seduced by thy flattery.
1613. W. Browne, Sheph. Pipe, Wks. 1772, III. 29. He conceitlesse was, he nat knew to what place he was bent.