Lacuna
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An unfilled space, gap, or missing part in a text, record, or body of knowledge.
Memory trick
LACUNA sounds like lagoon, think of a hollow or missing pool in the middle.
Examples
There’s a lacuna in the documentation around edge-case retries.
The archive contains a puzzling lacuna for those three years.
Her argument is strong, but there’s a lacuna in the evidence section.
Synonyms
Antonyms
Etymology
From Latin lacuna "ditch, gap, hole," from lacus "lake, hollow."
Usage Notes
Common in academic, editorial, and archival contexts for a meaningful gap.
Real-life contexts
Use in docs: "We have a lacuna here, this flow isn’t described."
Use in research: "The data set has a lacuna in the early years."
Use in editing: "Patch the lacuna before publishing."
Common Mistakes
Lacuna is not just any problem; it specifically means a missing piece or gap.
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Part of Speech
noun
Difficulty
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