supercritical

adj

"supercritical" is a 13-letter English headword indexed on PlainSpell.

The verdict

“supercritical” is uncommon English (frequency #60,500 among 6,566 “S” headwords), classed as an adjective. The kind of spelling people second-guess.

#60,500
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of a substance or system above a critical threshold or range.

Corpus desk

Index EN-supercritical · supercritical · English

supercritical · rank #60,500 · 0 variants · 0 confusables

  • FREQ-RARE #60,500
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH sugarcoat

Nearest frequency peer: sugarcoat (-1 rank slots)

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.

Long-tail ranks near “supercritical”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “supercritical” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for supercritical
PropertyValue
Headwordsupercritical
LanguageEnglish
Part of speechAdjective
Letters13
Frequency rank#60,500
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “supercritical” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).supercriticalfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Rare peers in the same band: “sugarcoat” (#60,499), “supermajority” (#60,501), “surnamed” (#60,502). Among 6,566 “S” headwords, “supercritical” is #60,500. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

supercritical is uncommon English at frequency #60,500 among 6,566 “S” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 3 senses are on record.

supercritical has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From super- + critical. The correct English form is supercritical, spelled S-U-P-E-R-C-R-I-T-I-C-A-L.

Definition

  1. 1
    Of a substance or system above a critical threshold or range.
  2. 2
    Of a substance or system above a critical threshold or range.
  3. 3
    Of a substance or system above a critical threshold or range.

Etymology

From super- + critical.

Antonyms

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

How do you spell "supercritical"?
"supercritical" is spelled S-U-P-E-R-C-R-I-T-I-C-A-L.
What does "supercritical" mean?
As an adjective, "supercritical" means: Of a substance or system above a critical threshold or range.
What is the origin of the word "supercritical"?
From super- + critical. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "supercritical", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list