verbverb

aufbrausen

flare up

Aufbrausen is a separable German verb with several related meanings:

To flare up or fly into a sudden temper: to react angrily and often loudly.
Example: “He suddenly flared up.”
To foam, bubble, or swell up suddenly, especially of liquid, surf, wind, or a storm.
To rise or swell into a loud, rushing sound, such as a roar or a burst of noise.

The exact meaning depends on what is described: a person’s temper, a force of nature, or a sound.

Infinitive: aufbrausen
Present tense: er/sie braust auf — “he/she flares up”
Past participle: aufgebraust
Auxiliary: typically sein in the perfect tense: ist aufgebraust
Word parts: auf- is a separable prefix suggesting an upward or sudden intensification; brausen means “to roar,” “rush,” or “surge.”

The verb is related to the idea of a loud, rushing sound.

Synonyms vary by meaning:

zornig werden — “to become angry”; a broad, neutral description that does not necessarily imply a sudden or noisy outburst.
auffahren — “to snap” or “react sharply”; emphasizes a sudden, often offended response.
aufwallen — “to surge” or “boil up”; often used for feelings or liquids and focuses on a rising motion.
aufschäumen — “to foam up”; mainly describes liquid, not an angry reaction.

Possible antonyms, depending on the context:

sich beruhigen — “to calm down,” especially after anger or agitation.
abklingen — “to subside” or “die down,” often describing a feeling, sound, or storm.
verstummen — “to fall silent,” when the contrast is a sudden loud sound.

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Plötzlich braust der Lehrer auf, als er den Lärm hört.verb

Suddenly, the teacher flares up when he hears the noise.

Bei Kritik braust mein Bruder schnell auf.verb

My brother is quick to flare up when criticized.

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