Meanings
Origin
From lightless (adjective) + -ly (suffix forming adverbs).
Full word history & related roots →Cite this entry
lightlessly. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/lightlessly
“lightlessly.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lightlessly. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “lightlessly,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/lightlessly.
Source: lightlessly on Wiktionary, CC BY-SA 4.0.