dubious
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- Causing doubt; questionable or suspect.
In other words: questionable, suspect, doubtful
- The witness gave a dubious account of what happened.
- Uncertain, hesitant, or inclined to doubt.
In other words: uncertain, hesitant, skeptical
- She looked dubious about the plan.
More meanings (1)
- In chess, slightly inaccurate or inferior, though still playable.
In other words: inferior, suboptimal, questionable
- That opening move is dubious but still playable.