IPA: /ləˈkjuːnəri/
KK: /lækjʊˌnɛri/
Relating to a gap or missing part in something, often used in contexts like literature or knowledge.
The report was criticized for its lacunary analysis, which left out important data.
Lacunary is formed from "lacuna" (from Latin "lacuna", meaning a gap or missing part) and the suffix "-ary" (meaning pertaining to or connected with). The word "lacunary" refers to something that is characterized by gaps or missing parts.
Think of a 'gap' ('lacuna') and remember that 'lacunary' describes something that has gaps or is missing parts.