Hiljainen
Hiljainen is a Finnish adjective meaning quiet or silent. It is used to describe sounds, places, or people with low noise or calm demeanor. The term can modify nouns across contexts, e.g., hiljainen huone (a quiet room), hiljainen katu (a quiet street), hiljainen ääni (a soft sound), or hiljainen henkilö (a quiet person). In Finnish, adjectives agree with the noun in number and case, so hiljainen appears in various inflected forms such as hiljainen (nominative singular), hiljaisen (genitive singular), hiljaista (partitive singular), and hiljaiset (nominative plural). More forms correspond to other cases.
Etymology: Hiljainen is formed from the adverb hiljaa meaning softly, quietly, with the addition of the adjectival
Usage and nuance: Hiljainen often conveys calmness or restraint beyond mere absence of noise, and can describe