unsubstantial
"unsubstantial" is a 13-letter English headword indexed on PlainSpell.
The verdict
“unsubstantial” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Insubstantial.
Corpus desk
Index EN-unsubstantial · unsubstantial · English
unsubstantial · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "U" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | unsubstantial |
| Language | English |
| Part of speech | Adjective |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “unsubstantial” in English
Rare enough to double-check
unsubstantial is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Insubstantial.".
No misspelling variants are generated for unsubstantial in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From un- + substantial. The correct English form is unsubstantial, spelled U-N-S-U-B-S-T-A-N-T-I-A-L.
Definition
- 1Insubstantial.
Recorded use
Wiktionary examplesThese source excerpts show how unsubstantial appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
What boots it, that my Fortune decks me thus / With unſubſtantial Plumes; when my Heart groans / Beneath the gay Capariſon, and Love / With unrequited Paſſion wounds my Soul!
They are (said he) meer phantoms of ignorance and credulity, swelled up in the repetition, like those unsubstantial bubbles which the boys blow up in sopasuds with a tobacco pipe.
Etymology
From un- + substantial.
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.