unthriving

adj

"unthriving" is a 10-letter English headword indexed on PlainSpell.

The verdict

“unthriving” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Failing to thrive; weak or sickly.

Corpus desk

Index EN-unthriving · unthriving · English

unthriving · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-3 3 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.

Key facts for unthriving
PropertyValue
Headwordunthriving
LanguageEnglish
Part of speechAdjective
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unthriving” in English

unthrivingsits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

unthriving is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Failing to thrive; weak or sickly.".

unthriving has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. 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 un- + thriving. The correct English form is unthriving, spelled U-N-T-H-R-I-V-I-N-G.

Definition

  1. 1
    Failing to thrive; weak or sickly.

Recorded use

Wiktionary examples

These source excerpts show how unthriving appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. In every place where there are half a dozen houses is planted an unthriving tree of liberty, which seems to wither under the baneful influence of the bonnet rouge.
  2. He stopped short and looked at the brick wall of the terrace, faced with shallow arches, meagrely clothed by a few unthriving creepers, with an ill-kept narrow flower-bed along its foot.

Etymology

From un- + thriving.

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 "unthriving"?
"unthriving" is spelled U-N-T-H-R-I-V-I-N-G.
What does "unthriving" mean?
As an adjective, "unthriving" means: Failing to thrive; weak or sickly.
What is the origin of the word "unthriving"?
From un- + thriving. 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.

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

Source: FrequencyWords open word-frequency list