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For upper right most, I’ve seen it written upper-right most, upper-right-most, and with no hyphens at all.

What makes the most sense to me is upper rightmost, but it’s hard to tell that upper right is the adjective to which most is being applied.

tchrist
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andyvn22
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1 Answers1

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As John Lawler comments, and as this chart makes clear,...

...rightmost isn't normally hyphenated. And there's no need for one in upper rightmost.

FumbleFingers
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  • This is not a valid Google N-Gram: the one for right-most is actually using a binary minus to subtract incidences of most from those of right. See here. – tchrist Jul 17 '14 at 16:42
  • @tchrist: I don't think so. It says Replaced right-most with right - most to match how we processed the books. That would be pretty daft if it was just doing arithmetic (which I thought always required brackets anyway). – FumbleFingers Jul 17 '14 at 17:02
  • Then why doesn’t it supply a Google Books link to texts with right-most in them? – tchrist Jul 17 '14 at 17:18
  • @tchrist: I didn't notice any right-most instances in the first 2-3 pages. It only has the non-hyphenated one in the "link to books" lines under the chart. I assume that's because there weren't enough of the hyphenated one, but I don't know much about how NGrams works internally. I trust what the chart is telling me, though. – FumbleFingers Jul 17 '14 at 17:31