EXAMPLES FROM THE WEB FOR DUBIOUSLY
"Yes," he said dubiously, glancing at the bed and the table and the ricketty washstand.
He indicates an imaginary abyss, which Jem stares at dubiously.
But this self-sacrificing proposal was dubiously received by both the ladies.
"But maybe we'd better not do too much of that," said Jeter dubiously.
"But he nearly succeeded to-night," mumbled McGuire dubiously.
"I don't understand what you can suspect," she said dubiously.
"I find this somewhat difficult to understand," said I, dubiously.
He raised his eyes, saw Jukes gazing at him dubiously, and tried to illustrate his meaning.
He went off whistling, and Belle gazed after him dubiously, yet reassured in spite of herself.
"And the captain will keep house with only Hobomok," said Priscilla dubiously.
1540s, from Latin dubiosus "doubtful," from dubium "doubt," neuter of dubius "vacillating, moving two ways, fluctuating;" figuratively "wavering in opinion, doubting, doubtful," from duo "two" (see two), with a sense of "of two minds, undecided between two things." Old English also used tweo "two" to mean "doubt." Cf. doubt (v.). Related: Dubiously; dubiousness.