cienny
Cienny is a Polish adjective used to describe physical thinness or narrowness as well as figurative faintness or insubstantiality. It describes objects with small cross sections or low density, such as cienny papier (thin paper) or cienny drut (thin wire). In figurative use, cienny may denote weakness or slightness of effect, for example cienny głos (a thin/weak voice) or cienny argument (a weak argument). The word can also describe textures or materials that are delicate or fine, such as cienny materiał (delicate fabric) or cienny splot (fine weave).
In everyday speech, cienny is somewhat less common for concrete objects than cienki; cienki is more frequent
Grammar and etymology: Cienny is a standard Polish adjective and declines like other adjectives to agree with