If so, my analysis amounts to a rule in search of actual usage—a prescription rather than a description. In any event, the impressive rise of "free of" against "free from" over the past 100 years suggests that the English-speaking world has become more receptive to using "free of" in place of "free from" during that period.
What is free cash anyway? If you get free cash for a period, implying that you have to pay it back, then it is free of interest. If it’s simply free cash, handed out willy-nilly, then the word interest makes no sense. So: yes, strictly it’s wrong and there should be a hyphen. Realistically, it makes no difference.
8 "Free" and "on the house" both mean that you don't have to pay, but the inferred meaning is slightly different. If something is "free" it is without charge. For example, you might receive a voucher through the mail that says you are entitled to a free drink if you hand the voucher in at a bar.
As in, an expectation-free hug with your partner. Doing something without expecting anything in return, but not necessarily selfless. I hoped "nonexpecting" was a word, but it seems reserved for
Instead, you can say "If you believe I can be of any further assistance, please feel free to contact me.", which is perfectly acceptable to send to a prospective employer.
The fact that it was well-established long before OP's 1930s movies is attested by this sentence in the Transactions of the Annual Meeting from the South Carolina Bar Association, 1886 And to-day, “free white and twenty-one,” that slang phrase, is no longer broad enough to include the voters in this country.
What is the word for when someone gives you something for free instead of you paying for it? For example: Some shopkeeper is about to close his shop, and you catch him just in the nick of time, you get something (anything), nonetheless he's so hurried that he lets you take it for free.