Simple past tense and past participle of misdoubt.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "misdoubted" in a sentence
"They had arrived at the straw pallet on which Philip lay, so still and mute that Cadfael's heart misdoubted for a moment, and then caught gratefully at the sudden shudder and crepitation of breath."
"I have never misconstrued or misdoubted your affection to our house."
"Skadi misdoubted the tale of Sigi, and deemed that this was a guile of his, and that he would have slain Bredi."