The Collaborative International Dictionary
Misconjecture
Misconjecture \Mis`con*jec"ture\ (?; 135), n.
A wrong conjecture or guess.
--Sir T. Browne.
Misconjecture
Misconjecture \Mis`con*jec"ture\, v. t. & i. To conjecture wrongly.
Wiktionary
misconjecture
n. A wrong conjecture or guess. vb. To conjecture wrongly.