unsystematic

/ʌnˌsɪstəˈmætɪk/

//ʌnˌsɪstəˈmætɪk// adj

"unsystematic" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Not systematic; random, disorganised, or unthorough.

Corpus desk

Index EN-unsystematic · unsystematic · English

unsystematic · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 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.

Key facts for unsystematic
PropertyValue
Headwordunsystematic
LanguageEnglish
Part of speechAdjective
IPA/ʌnˌsɪstəˈmætɪk/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “unsystematic” in English

unsystematicsits 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

unsystematic is uncommon English outside the top frequency list, classed as anadjective, transcribed /ʌnˌsɪstəˈmætɪk/. Rarity is why readers land here mid-draft. Gloss: "Not systematic; random, disorganised, or unthorough.".

unsystematic doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No close-neighbour confusable shows up for this headword in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From un- + systematic. The correct English form is unsystematic, spelled U-N-S-Y-S-T-E-M-A-T-I-C.

Definition

  1. 1
    Not systematic; random, disorganised, or unthorough.

Recorded use

Wiktionary examples

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

  1. The relegation of locomotives to storage seemed to be on a very unsystematic basis on all three principal Irish railways: while one member of a class was rusting in a yard, another might be hard at work in revenue-earning service—[…].
  2. None of the traditional proposals suffers from the weaknesses characteristic of CAW's suggestions: what CAW has to offer are mere guesses, arrived at in a totally unsystematic way and totally unsupported by rational and reasonable argumentation.

Etymology

From un- + systematic.

Antonyms

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 "unsystematic"?
"unsystematic" is spelled U-N-S-Y-S-T-E-M-A-T-I-C. The IPA pronunciation is /ʌnˌsɪstəˈmætɪk/.
What does "unsystematic" mean?
As an adjective, "unsystematic" means: Not systematic; random, disorganised, or unthorough.
How do you pronounce "unsystematic"?
The IPA (International Phonetic Alphabet) transcription for "unsystematic" is /ʌnˌsɪstəˈmætɪk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "unsystematic"?
From un- + systematic. 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