This is the 4651st most frequent German word.
unscheinbar
Inconspicuous; unremarkable.
The word 'unscheinbar' ('inconspicuous') is used here to emphasize that the cat is not easily noticeable or draws attention.
Die unscheinbare Katze versteckte sich unter dem Sofa.
The inconspicuous cat hid under the sofa.
Here 'unscheinbar' describes the shirt as being simple or unremarkable, focusing on its understated appearance.
Er trug ein unscheinbares Hemd, das trotzdem gut zu ihm passte.
He wore an inconspicuous shirt, which nonetheless suited him well.
In this case, 'unscheinbar' highlights the building's lack of prominent features or its unassuming nature, despite its significance.