Meanings
nounsecret ink (countable and uncountable, plural secret inks)
plural secret inks
- countableuncountableSynonym of invisible ink (“ink that can be made visible by some process”).
Synonyms: invisible ink
Synonyms & antonyms
nounSynonym of invisible ink (“ink that can be made visible by some process”).
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APA
secret ink. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/secret%20ink
MLA
“secret ink.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/secret%20ink. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “secret ink,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/secret%20ink.
Source: secret ink on Wiktionary, CC BY-SA 4.0.