Undoubtably
Definition 1 of 1

Using personal conviction
Expressing your own strong belief

Example: I undoubtably believe he will succeed.
In persuasive writing
Emphasizing certainty in arguments

Example: This product is undoubtably better than its competitors.
In discussions
Confirming facts or statements

Example: He is undoubtably wrong about that.
Compare with
certainundoubtablydefiniteassuredlyabsolute
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