sagacious
/səˈɡeɪʃəs/
"sagacious" is a 9-letter English headword indexed on PlainSpell.
The verdict
“sagacious” 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
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Having or showing keen discernment, sound judgment, and farsightedness; mentally shrewd.
| Property | Value |
|---|---|
| Headword | sagacious |
| Language | English |
| Part of speech | Adjective |
| IPA | /səˈɡeɪʃəs/ |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sagacious” sits in English frequency
Spelling & Dictionary Insight
The English entry for sagacious is 9 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /səˈɡeɪʃəs/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Having or showing keen discernment, sound judgment, and farsightedness; mentally shrewd.".
Our edit-distance generator produced no likely misspellings for sagacious, a sign its spelling follows regular English conventions. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: Coined between 1600 and 1610. Borrowed from Latin sagāx, + -ious. The correct English form is sagacious, spelled S-A-G-A-C-I-O-U-S.
Definition
- 1Having or showing keen discernment, sound judgment, and farsightedness; mentally shrewd.
Etymology
Coined between 1600 and 1610. Borrowed from Latin sagāx, + -ious.
Synonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “sagacious”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is S-A-G-A-C-I-O-U-S - every other letter order is a misspelling in standard orthography.
- Say it as /səˈɡeɪʃəs/ (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.