I have no doubt you have and will find jumbled sentences of mine John, but hopefully not as bad as " undoubtably " Undoubtably" is considered to be nonstandard English by some authorities (for example, Garner's Modern American Usage (2009)), and the term is seldom found in modern literary writing.[1] The Oxford English Dictionary provides no examples of usage after 1513 and characterizes "undoubtably" as "? Obs.," wondering whether the term is obsolete.[2] Nevertheless, many examples of its usage can be found in 20th- and 21st-century popular English and in contemporary academic journals.