longitudinally
/ˌlɒŋ.ɡɪˈtjuːd.ɪ.n(ə).li/
"longitudinally" is a 14-letter English headword indexed on PlainSpell.
The verdict
“longitudinally” is uncommon English (frequency #51,226 among 16,425 “L” headwords), classed as an adverb. The kind of spelling people second-guess.
- #51,226
- frequency rank, English
- 16,425
- “L” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Along lines of longitude, in the direction from pole to pole, meridianally.
| Property | Value |
|---|---|
| Headword | longitudinally |
| Language | English |
| Part of speech | Adverb |
| IPA | /ˌlɒŋ.ɡɪˈtjuːd.ɪ.n(ə).li/ |
| Letters | 14 |
| Frequency rank | #51,226 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “longitudinally” sits in English frequency
Rare enough to double-check
longitudinally is uncommon English at frequency #51,226 among 16,425 “L” headwords, classed as anadverb, transcribed /ˌlɒŋ.ɡɪˈtjuːd.ɪ.n(ə).li/. Rarity is why readers land here mid-draft. 3 senses are on record.
longitudinally doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Etymologically, the entry records: From longitudinal + -ly. The correct English form is longitudinally, spelled L-O-N-G-I-T-U-D-I-N-A-L-L-Y.
Definition
- 1Along lines of longitude, in the direction from pole to pole, meridianally.
- 2By sampling data over time rather than merely once.
- 3Lengthwise (rather than crosswise).
Etymology
From longitudinal + -ly.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “longitudinally”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is L-O-N-G-I-T-U-D-I-N-A-L-L-Y - every other letter order is a misspelling in standard orthography.
- Say it as /ˌlɒŋ.ɡɪˈtjuːd.ɪ.n(ə).li/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.