Meanings
comparative more light-tight · superlative most light-tight · alternative lighttight
- Impervious to light; excluding the light perfectly.
From a practical point of view it is not always possible to achieve an absolute lighttight home darkroom.
2000, Stephen G. Anchell, The darkroom cookbook, page 127Synonyms: lightproof
Synonyms & antonyms
adjectiveImpervious to light; excluding the light perfectly.
More synonyms by meaning
adjectivenot penetrable by light
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From light (noun) + tight (adjective).
Full word history & related roots →Translations
Bulgarian непрозра́чен
- непрозра́чен (neprozráčen)light-tight
Danish lystæt
- lystætlight-tight
Dutch lichtdicht
- lichtdichtlight-tight
German lichtdicht
- lichtdichtlight-tight
Norwegian Bokmål lystett
- lystettlight-tight
Swedish ljustät
- ljustätlight-tight
Cite this entry
light-tight. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/light-tight
“light-tight.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/light-tight. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “light-tight,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/light-tight.
Source: light-tight on Wiktionary, CC BY-SA 4.0.