declivitous
/dɪˈklɪ.vɪ.təs/
"declivitous" is a 11-letter English headword indexed on PlainSpell.
The verdict
“declivitous” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 11
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Descending gradually; sloping; downhill.
| Property | Value |
|---|---|
| Headword | declivitous |
| Language | English |
| Part of speech | Adjective |
| IPA | /dɪˈklɪ.vɪ.təs/ |
| Letters | 11 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “declivitous” sits in English frequency
Spelling & Dictionary Insight
The English entry for declivitous is 11 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /dɪˈklɪ.vɪ.təs/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
No misspelling variants are generated for declivitous in our index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: Latin declivus (“sloping down”), from de- (“down from”) + clivus (“slope”). The correct English form is declivitous, spelled D-E-C-L-I-V-I-T-O-U-S.
Definition
- 1Descending gradually; sloping; downhill.
- 2At lower levels; lowly.
Etymology
Latin declivus (“sloping down”), from de- (“down from”) + clivus (“slope”).
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “declivitous”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is D-E-C-L-I-V-I-T-O-U-S - every other letter order is a misspelling in standard orthography.
- Say it as /dɪˈklɪ.vɪ.təs/ (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
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.