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DOUBTFUL Antonyms

There are 3 antonyms of the word doubtful. (opposite meanings)
Also try opposite words for..
doubtdoubterdoubteddoubtingdoubtable

Best Opposite Words For DOUBTFUL

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certain
adverb, adjectiveadv, adj
adjective

• having or feeling no doubt or uncertainty; confident and assured

• established beyond doubt or question; definitely known

• certain to occur; destined or inevitable

• established irrevocably

adjective satellite

• definite but not specified or identified

• reliable in operation or effect

• exercising or taking care great enough to bring assurance

confident
adjectiveadj
adjective

• having or marked by confidence or assurance

adjective satellite

• persuaded of; very sure

• not liable to error in judgment or action

convinced
verb, adjectivev, adj
adjective

• having a strong belief or conviction

adjective satellite

• persuaded of; very sure

Alternatives for CERTAIN

Alternatives for CONFIDENT

Alternatives for CONVINCED

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