Blockheadess

Origin

en + -blockhead + ess

Full definition of blockheadess

Noun

1. (nonce) A female blockhead.
• 1827, Sydney, Lady Morgan, The O'Briens and the O'Flahertys, Volume 4, p. 360 (Google Books view):"If I did, every body would say I put them into my book," said the Princess, "for all the blockheads and blockheadesses think themselves printable; and draw what you may, 'each cries that was levelled at him.'"