incurious

adj

"incurious" is a 9-letter English headword indexed on PlainSpell.

The verdict

“incurious” 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) - Lacking interest or curiosity; uninterested.

Key facts for incurious
PropertyValue
Headwordincurious
LanguageEnglish
Part of speechAdjective
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “incurious” sits in English frequency

incurious 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 incurious is 9 letters long, classified as an adjective. 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 incurious in our index, typically a sign the spelling maps closely to how the word sounds. We don't track a confusable pairing for this entry, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From Latin incūriōsus (“careless”), from in- (“un-”) and cūriōsus (“careful”). Attested since the 1560s, originally meaning ‘heedless and negligent.’ The sense of ‘uninquisitive’ dates from the 1610s, and the sense of ‘unworthy of attention’ from 1747. The correct English form is incurious, spelled I-N-C-U-R-I-O-U-S.

Definition

  1. 1
    Lacking interest or curiosity; uninterested.
  2. 2
    Apathetic or indifferent.

Etymology

From Latin incūriōsus (“careless”), from in- (“un-”) and cūriōsus (“careful”). Attested since the 1560s, originally meaning ‘heedless and negligent.’ The sense of ‘uninquisitive’ dates from the 1610s, and the sense of ‘unworthy of attention’ from 1747.

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

How do you spell "incurious"?
"incurious" is spelled I-N-C-U-R-I-O-U-S.
What does "incurious" mean?
As an adjective, "incurious" means: Lacking interest or curiosity; uninterested.
What is the origin of the word "incurious"?
From Latin incūriōsus (“careless”), from in- (“un-”) and cūriōsus (“careful”). Attested since the 1560s, originally meaning ‘heedless and negligent.’ The sense of ‘uninquisitive’ dates from the 1610s, and the sense of ‘unworthy of attention’ from ... 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 “incurious”

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

  • The one correct English spelling is I-N-C-U-R-I-O-U-S - every other letter order is a misspelling in standard orthography.
  • 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