Sentence:  There were miners from Klondyke, hunters from the backwoods, troopers from the Northwest Frontier Police, and included were some of the “hardest cases” that the land of the maple leaf ever produced; these were past-masters in the use of unique expletives, and for <WSD>downright</WSD> and original profanity it would hardly be possible to find their equal. 
Meaning of the word marked with <WSD> tags:  Directly to the point; plain