insubstantial
"insubstantial" is a 13-letter English headword indexed on PlainSpell.
The verdict
“insubstantial” is an uncommon English word, ranked #62,224 in English word frequency and used as an adjective.
- #62,224
- frequency rank, English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Lacking substance; not real or strong.
| Property | Value |
|---|---|
| Headword | insubstantial |
| Language | English |
| Part of speech | Adjective |
| Letters | 13 |
| Frequency rank | #62,224 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “insubstantial” sits in English frequency
Spelling & Dictionary Insight
The English entry for insubstantial is 13 letters long, classified as an adjective. Corpus data places it at rank #62,224 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "Lacking substance; not real or strong.".
Zero misspellings are on record for insubstantial in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: Probably from Middle French insubstantiel, from Latin insubstantiālis, from in- + substantiālis. By surface analysis, in- + substantial. The correct English form is insubstantial, spelled I-N-S-U-B-S-T-A-N-T-I-A-L.
Definition
- 1Lacking substance; not real or strong.
Etymology
Probably from Middle French insubstantiel, from Latin insubstantiālis, from in- + substantiālis. By surface analysis, in- + substantial.
Antonyms
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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “insubstantial”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is I-N-S-U-B-S-T-A-N-T-I-A-L - 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.