superhard
"superhard" is a 9-letter English headword indexed on PlainSpell.
The verdict
“superhard” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Having a very high hardness.
Corpus desk
Index EN-superhard · superhard · English
superhard · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 9 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "S" 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 | superhard |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “superhard” in English
Rare enough to double-check
superhard is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for superhard in our index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.
Etymologically, the entry records: From super- + hard. The correct English form is superhard, spelled S-U-P-E-R-H-A-R-D.
Definition
- 1Having a very high hardness.
- 2Highly strengthened against attack.
- 3Having a hardness between that of boron nitride and that of diamond.
Recorded use
Wiktionary exampleThese source excerpts show how superhard appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
a superhard missile silo
Etymology
From super- + hard.
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.