nullifidian

/ˌnʌl.əˈfɪd.i.ən/

//ˌnʌl.əˈfɪd.i.ən// noun

"nullifidian" is a 11-letter English headword indexed on PlainSpell.

The verdict

“nullifidian” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A sceptic; an atheist or unbeliever.

Key facts for nullifidian
PropertyValue
Headwordnullifidian
LanguageEnglish
Part of speechNoun
IPA/ˌnʌl.əˈfɪd.i.ən/
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “nullifidian” sits in English frequency

nullifidian 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.

Rare enough to double-check

nullifidian is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌnʌl.əˈfɪd.i.ən/. Rarity is why readers land here mid-draft. Gloss: "A sceptic; an atheist or unbeliever.".

No generated misspelling entries exist for nullifidian 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: From Latin nūllus (“not any”) + fidēs (“faith”) + -ian. The correct English form is nullifidian, spelled N-U-L-L-I-F-I-D-I-A-N.

Definition

  1. 1
    A sceptic; an atheist or unbeliever.

Etymology

From Latin nūllus (“not any”) + fidēs (“faith”) + -ian.

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 "nullifidian"?
"nullifidian" is spelled N-U-L-L-I-F-I-D-I-A-N. The IPA pronunciation is /ˌnʌl.əˈfɪd.i.ən/.
What does "nullifidian" mean?
As a noun, "nullifidian" means: A sceptic; an atheist or unbeliever.
How do you pronounce "nullifidian"?
The IPA (International Phonetic Alphabet) transcription for "nullifidian" is /ˌnʌl.əˈfɪd.i.ən/. 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 "nullifidian"?
From Latin nūllus (“not any”) + fidēs (“faith”) + -ian. 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 “nullifidian”

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

  • The one correct English spelling is N-U-L-L-I-F-I-D-I-A-N - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌnʌl.əˈfɪd.i.ən/ (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