• IPA: /ˈθɪkli/

thickly (comparative thicklier, superlative thickliest)

1. In a thick manner.
   • 1891, Thomas Hardy, chapter IV, in Tess of the d’Urbervilles: A Pure Woman Faithfully Presented [...] In Three Volumes, volume I, London: James R[ipley] Osgood, McIlvaine and Co., […], OCLC 13623666 ↗, phase the first (The Maiden), pages 40–41 ↗:

     In a large bedroom upstairs, the window of which was thickly curtained with a great woollen shawl lately discarded by the landlady, Mrs Rolliver, were gathered on this evening nearly a dozen persons, all seeking vinous bliss; all old inhabitants of the nearer end of Marlott, and frequenters of this retreat.

• French: épaissement
• Russian: гу́сто