facinorous

/fəˈsɪnəɹəs/

//fəˈsɪnəɹəs// adj

"facinorous" is a 10-letter English headword indexed on PlainSpell.

The verdict

“facinorous” 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
10
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Extremely wicked.

Key facts for facinorous
PropertyValue
Headwordfacinorous
LanguageEnglish
Part of speechAdjective
IPA/fəˈsɪnəɹəs/
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “facinorous” sits in English frequency

facinorous falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for facinorous is 10 letters long, classified as an adjective, and transcribed in the International Phonetic Alphabet as /fəˈsɪnəɹəs/. 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: "Extremely wicked.".

facinorous has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: Borrowed from Latin facinorōsus, from facinus (“deed, bad deed”), from faciō (“to make, to do”). The correct English form is facinorous, spelled F-A-C-I-N-O-R-O-U-S.

Definition

  1. 1
    Extremely wicked.

Etymology

Borrowed from Latin facinorōsus, from facinus (“deed, bad deed”), from faciō (“to make, to do”).

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

How do you spell "facinorous"?
"facinorous" is spelled F-A-C-I-N-O-R-O-U-S. The IPA pronunciation is /fəˈsɪnəɹəs/.
What does "facinorous" mean?
As an adjective, "facinorous" means: Extremely wicked.
How do you pronounce "facinorous"?
The IPA (International Phonetic Alphabet) transcription for "facinorous" is /fəˈsɪnəɹəs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "facinorous"?
Borrowed from Latin facinorōsus, from facinus (“deed, bad deed”), from faciō (“to make, to do”). See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “facinorous”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is F-A-C-I-N-O-R-O-U-S - every other letter order is a misspelling in standard orthography.
  • Say it as /fəˈsɪnəɹəs/ (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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list