Read this for free, and then feel free to use useful idioms
I strolled away from Google Plus to visit Twitter a few moments ago, and I pointed out that “for free” is criticized because “free” often works better in half the space. Usage guru Bill Walsh of the Washington Post pointed out that the real criticism is that “free” is not a noun, a more challenging argument.
The idiom forces “free” into the position of a noun, as if it is the same as “zero dollars” or “no pay.” It’s hard to reconcile, so it might always be considered nonstandard, or as Webster’s Dictionary of English Usage says, “not used in writing of high solemnity.”
But the phrase, apparently only decades old, is very widely used. Blind condemnation sometimes takes an