To make someone very angry or furious. It is an elevated and strong form of 'ärgern' (to annoy).
example
Mit seiner andauernden Respektlosigkeit erzürnte er schließlich auch seine Vorgesetzte.
With his constant disrespect, he eventually enraged even his supervisor.
Usage tips
Word structure
The verb is derived from the noun 'der Zorn' (great anger, wrath). The prefix 'er-' indicates here that a state is being brought about. 'Erzürnen' therefore literally means 'to put into anger' or 'to make furious'. As a verb with 'er-', it is inseparable.
EXAMPLE
Seine Lügen erzürnten sie zutiefst.
His lies enraged her deeply.
Sentence structure and usage
The verb is usually used transitively and requires an accusative object: 'jemanden erzürnen' (to enrage someone). It can also be used reflexively with a preposition: 'sich über etwas (Akkusativ) erzürnen' (to become angry about something).
EXAMPLE
Seine Arroganz erzürnte die Anwesenden.
His arrogance enraged those present.
Register
'Erzürnen' is a word used in elevated written language. It is hardly used in normal everyday speech; it sounds very formal or literary.
EXAMPLE
Die Götter zu erzürnen, galt in der Antike als große Gefahr.
To enrage the gods was considered a great danger in antiquity.
Compare with
antonym
erzürnen vs beruhigen
to calm
'beruhigen' and 'erzürnen' are opposites when it comes to anger. 'beruhigen' means that anger or agitation becomes less intense. 'erzürnen' means to make someone very angry. The word sounds elevated and stronger than 'ärgern'; in everyday speech, people often say 'wütend machen' (to make angry) instead. 'beruhigen' works very well in normal conversations, while 'erzürnen' is more likely to appear in serious or written texts.
erzürnen
Die ungerechte Entscheidung erzürnt viele Gäste der Veranstaltung.
The unfair decision enrages many guests at the event.
beruhigen
Ein klares Gespräch kann die verärgerten Eltern beruhigen.