warnen
Translation
to warn, to alert, to caution
Examples
Ich warne dich vor dem Hund.
I'm warning you about the dog.
Die Polizei warnt vor Glatteis.
The police are warning about black ice.
Er hat mich nicht gewarnt.
He didn't warn me.
Grammar Patterns
((sb.)) ((about/of sth.)) {vor+3} to warn (sb.) about (sth.) Ich warne dich vor dem Hund.
((sb.)) ((against doing sth.)) {davor, ... zu} to warn (sb.) against doing (sth.) Er warnte mich davor, zu spät zu kommen.
Similar Words
Synonyms: alarmieren, mahnen; Antonyms: entwarnen
Etymology
From Old High German 'warnōn', cognate with English 'warn'.
Memory Tips
It's a cognate of 'warn'. Use 'vor' + Dative to say what you are warning 'before' (against).