Adverb

wieso

why, how come

Wieso kommst du so spät?

Why are you coming so late?

Ich frage mich, wieso er nicht anruft.

I wonder why he isn't calling.

wieso ...? why ...? / how come ...? Wieso hast du das gemacht?

..., wieso ... (in a subordinate clause) ..., why ... He asked why I wasn't there.

Synonyms: warum, weshalb

From 'wie' (how) + 'so' (so). The literal meaning is 'how so?'.

Think of it as a more conversational version of 'warum', similar to 'how come?' in English.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.