geräuschlos

/ɡəˈʁɔɪ̯ʃloːs/

adjective B2

der (masc.) die (fem.) das (neut.)

Underline = a spelling pattern that usually signals that gender.

Meaning

noiseless, silent
- Die Tür öffnete sich geräuschlos.
  
  The door opened noiselessly.

geräuschlos and lautlos are close synonyms for "noiseless, silent," largely interchangeable.

Similar in other languages

English

Close — noiseless, silent relates to quiet.

1 What does geräuschlos mean?

2 Fill the gap: Die Tür öffnete sich ___.

3 Which fingerprint chart matches geräuschlos?