SENTENCE: "The ministry of health warns from the consumption of melon fruits"

My colleagues and I are debating whether or not "warns from" is grammatically correct. I googled the phrase and although, "warned about", "warned of", and "warned against" popped up, "warns from" never did. But I'm thinking, maybe it's just not colloquially used but still grammatically correct?

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    If it is not used, why do you think it is not used? If you look at a collocation dictionary, for instance oxford, you see indeed your three preopositions mentioned, but from is not there. You might want to get into a discussion about what "grammatically correct" means, but that would be a whole nother story...
    – oerkelens
    Mar 4, 2018 at 12:25
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    Something can be grammatically correct without making sense, like Chomsky's famous sentence.
    – Andrew Leach
    Mar 4, 2018 at 12:27
  • M-WLD doesn't license 'warn + from', though there are quite a few examples on the internet. But it's usually a better idea (a far better idea) to stick with what are obviously standard usages. // Quirk and Svartvik sensibly proposed that 'acceptable ... unacceptable' is better regarded as a cline rather than a yes-no disjunction. Mar 4, 2018 at 12:39
  • @oerkelens well, i dont know if you've heard, but some expressions, although grammatically acceptable, are no longer used in everyday speech. That doesn't mean that they are grammatically wrong, just obsolete. Mar 4, 2018 at 14:15
  • 1
    I estimate that there is an 80% probability that you will be marked down in an academic essay. Mar 4, 2018 at 16:07

1 Answer 1


In a Google NGram querying for warned from, results prior to ca. 1900 suggest a meaning similar to the one you're asking about. Your suspicion that the usage, while strictly grammatical, is archaic has proven to be correct.

An NGram queries the Google Books corpus, the earliest volumes mostly supplied by university libraries and then augmented by more contemporary printed sources which may include more popular, ephemeral literature. They are thus a more accurate, chronologically ordered measure of usage then a mere internet search.

...or if that condition shall not like your grace, yet that then he [a Catholic chaplain] may be warned from your grace's house, and not kept there, to be as it were defended from the power of the law. Letter from the Council to Lady Mary, 25 Dec. 1550

But, alas! the waters were too gelatinous to flow, or were enveloped in their own membranes, forming hydatids, which we were, by former experience, warned from meddling with. Medical Repository, 1805.

Warned from this unholy sojourn, [joining a band of buccaneers] by the imagined voice of his murdered wife, he returns home... The Monthly Review, 1813.

May his holy and purifying fear, which endures for ever, be deeply grafted in our hearts, that we may stand in awe of his righteous judgments, and be warned from every evil way ... Thomas Scott, The Holy Bible, with Explanatory Notes..., 1822.

We daily hear that persons are warned from associating with us, as with those infected with the plague … English trans. of The Works of Friedrich Schiller, 1851.

By the twentieth century, the verb to warn had lost its ablative force of warning away from and instead took other prepositions. Results after around 1900 are either false hits — "He warned, 'From now on…'" — or a warning issued from a particular place — "warned from London"— or time — "warned from the beginning." An author can also be citing a much older source, such as the letter to the future Queen Mary.

So unless you want to sound like someone from the nineteeth century or have no investment in using constructions your readers will readily understand, you are best advised to construct a sentence using one of the prepositions currently used with the verb to warn.

  • I'm gonna have to thank you, because that answer looked like it took a lot of time to put together. I really appreciate all the details and information in this. Mar 18, 2018 at 23:14
  • -1 Beware the pitfalls of drawing inferences from nGrams alone, not supported by corroborative evidence.
    – Kris
    Jun 8, 2018 at 7:02
  • @Kris: And what would you call the representative citations, or did you bother to read that far?
    – KarlG
    Jun 8, 2018 at 8:00
  • I did. Most times there's an ellipsis, at others it's warned against that's meant instead as is the OP's example.
    – Kris
    Jun 8, 2018 at 8:13
  • @Kris: What ellipsis? Where I omitted irrelevant parts of a monstrously long 19th c. sentence? Warned from means the same as warned against in these printed works by educated writers. The NGram query was sufficient to the task of finding them. I really don't understand your objection.
    – KarlG
    Jun 8, 2018 at 9:15

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