Antonyms for dubious

Grammar : Adj

Spell : doo-bee-uhs, dyoo-

Phonetic Transcription : ˈdu bi əs, ˈdyu-

Definition of dubious

Origin : 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.

adj doubtful
adj vague, unclear

Example sentences :

"I don't know exactly," replied the doctor in a dubious tone.
Extract from : « Weighed and Wanting » by George MacDonald

"Why—I've never worn a low dress—not really low," I said, longing but dubious.
Extract from : « The Bacillus of Beauty » by Harriet Stark

Better that he had been still silent, than speak that dubious, indecisive "Y—es."
Extract from : « The Channings » by Mrs. Henry Wood

Mr. Cruncher was soothed, but shook his head in a dubious and moral way.
Extract from : « A Tale of Two Cities » by Charles Dickens

They liked him, but they were dubious of his right to represent the Tory spirit.
Extract from : « Changing Winds » by St. John G. Ervine

At first Ben Aboo seemed likely to lose by his dubious transaction.
Extract from : « The Scapegoat » by Hall Caine

"Why, I'd be glad to, of course," he declared with dubious enthusiasm.
Extract from : « Keziah Coffin » by Joseph C. Lincoln

From the doorway Creede watched him curiously, his lips parted in a dubious smile.
Extract from : « Hidden Water » by Dane Coolidge

Of that dubious crew of adventurers she had been led to expect there was never a hint.
Extract from : « Nobody » by Louis Joseph Vance

“Sure,” I replied, hurriedly, with no intention of explaining that dubious they.
Extract from : « Tales of Fishes » by Zane Grey

Synonyms for dubious

Based on : Thesaurus.com - Gutenberg.org - Dictionary.com - Random House Unabridged Dictionary, © Random House, Inc. 2019