DOUBTFUL, a.
1. Dubious not settled in opinion undetermined wavering hesitating applied to persons as, we are doubtful of a fact, or of the propriety of a measure.
2. Dubious ambiguous not clear in its meaning as a doubtful expression.
3. Admitting of doubt not obvious, clear or certain questionable not decided as a doubtful case a doubtful proposition it is doubtful what will be the event of the war.
4. Of uncertain issue.
We have sustained one day in doubtful fight.
5. Not secure suspicious as, we cast a doubtful eye.
6. Not confident not without fear indicating doubt.
With doubtful feet, and wavering resolution.
7. Not certain or defined as a doubtful hue.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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