verb

auftreffen

hit

Etwas stößt auf eine Fläche oder ein Hindernis und bleibt dort oder prallt ab.

To hit or strike (a surface): Used when an object moves and makes contact with a surface or object. For example, a ball hitting the ground or raindrops hitting a window.
To arrive or turn up (rarely): In some contexts, it can imply the arrival at a specific point or meeting place, though this is less common than the physical sense of striking.

Part of speech: Verb (weak, separable).
Conjugation: The prefix auf- separates from the stem treffen in main clauses (e.g., "Der Ball trifft auf den Boden auf").
Origin: Composed of the prefix auf- (up, upon, on) and the verb treffen (to meet, to hit). It describes the action of movement ending in a collision or contact with a surface.

Synonyms:
- aufschlagen
- aufprallen
- auftreffen (itself, in the context of impact)
- anstoßen
Antonyms:
- abheben (to lift off)
- abfliegen (to fly off/depart)

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Die Regentropfen treffen laut auf das Dach auf.verb

The raindrops hit the roof loudly.

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