Added 10 October 2026 longitudinally /ˌlɒŋ.ɡɪˈtjuːd.ɪ.n(ə).li/ adverb Categories: Describing WordsRare Words adverb ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about longitudinally at Wordnik → Where our words come from → Along lines of longitude, in the direction from pole to pole, meridianally. By sampling data over time rather than merely once. Lengthwise (rather than crosswise). Related Words: lengthwiselongwayslongwiselengthwaysverticallymeridianallylongintudinallymeridionallylatitudinallymesiolaterallyequatoriallymidlaterally Back to today's word