Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "undoubtably" in a sentence
"Keith undoubtably has a good grasp on programming for the web as his blog is always as smooth as silk."
"It will undoubtably cause some physical discomfort, but shouldn't interfere with her ability to think!"
"We wouldn't have charged for this service (we can't but it wouldn't have entered the equation for most of us - though we undoubtably might have felt irritated she was playing so hard to get!)"