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Use "doubtfull" in a sentence
"Not much vnlike the wondrer haue ye another figure called the doubtfull, because oftentimes we will seeme to cast perils, and make doubt of things when by a plaine manner of speech wee might affirme or deny him, as thus of a cruell mother who murdred her owne child."
"American troups figthing on European battlefields - doubtfull."
"When your risking whether or now you will get to act in the the last installment of the hottest franchise in the world is when you should just take it and be happy …. unless they really dont care that much about seeing this through which I think is doubtfull …."