
zufälligerweise
coincidentally
Happening by chance; without intention or planning.
Ich habe zufälligerweise meinen alten Schulfreund im Supermarkt getroffen.
I coincidentally ran into my old school friend at the supermarket.
coincidentally
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coincidentally
Happening by chance; without intention or planning.
Ich habe zufälligerweise meinen alten Schulfreund im Supermarkt getroffen.
I coincidentally ran into my old school friend at the supermarket.
The word is built from 'zufällig' (random/by chance) and the ending '-erweise'. The ending '-erweise' is added to adjectives to form an adverb that describes a particular manner or circumstance.
Er hat dummerweise seinen Schlüssel vergessen.
Unfortunately, he forgot his key.
As an adverb, 'zufälligerweise' (coincidentally) can stand in different positions in the sentence. If it is in position 1, the conjugated verb follows directly. It can also stand in the middle of the sentence.
Zufälligerweise hatte ich meinen Regenschirm dabei.
Coincidentally, I had my umbrella with me.
The form 'zufälligerweise' (coincidentally) is often used to especially emphasize the chance nature of an event. It can sound somewhat more formal or narrative.
Ich wollte gerade das Haus verlassen, als zufälligerweise das Telefon klingelte.
I was just about to leave the house when, coincidentally, the phone rang.
random / by chance
Zufällig and zufälligerweise can express the same unplanned encounter. Zufällig describes the event or its nature more directly; zufälligerweise often presents the entire circumstance as an additional remark. The difference lies mainly in this emphasis.

Zufälligerweise traf ich Lea am Bahnhof.
Coincidentally, I ran into Lea at the station.
Ich traf Lea zufällig am Bahnhof.
I ran into Lea by chance at the station.