[fod]

from ctdonath2's link above:

In addition, any word -- this again applied in principleto every word in the language -- could be negatived by addingthe affix un- or could be strengthened by the affixplus-, or, for still greater emphasis,doubleplus-. Thus, for example, uncold meant'warm', while pluscold and doublepluscold meant,respectively, 'very cold' and 'superlatively cold'.

[gcruse]

So you're saying cold is the operative word, and warm is discarded? That does seem backward. Don't ask me why, tho. Big Brother must know best, I guess. I mean, of course Big Brother knows b......"Under the spreading chestnut tree, I sold you , and....."