unprofessional

Name: unprofessional, English Word Data
Creator: Wiktionary
License: https://creativecommons.org/licenses/by-sa/4.0/

adj

By PlainSpell · According to Wiktionary data (CC BY-SA) · analyzed September 3, 2026

The verdict

“unprofessional” has 19 generated spelling variants in the English index at frequency #20,806. The variants make it a useful spelling check.

#20,806
frequency rank, English: 1,433
“U” headwords: 19
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unbecoming of a professional; hence inappropriate in the workplace.

Corpus desk

Index EN-unprofessional · unprofessional · English

unprofessional · rank #20,806 · 19 variants · 0 confusables

FREQ-MID #20,806
LEN-MEGA 14 letters
VOW-6 6 vowels
CONFUS-0 No pairs
VAR-HIGH 19 variants
BOOK-MID 1,433
PHOTO-FINISH undisputed

Nearest frequency peer: undisputed (-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.

typewriter

79,198
understanda…

79,197
undisputed

79,196
unprofessio…

79,195
Urdu

79,194
Uri

79,193

What this shows “unprofessional” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Key facts for unprofessional
Property	Value
Headword	unprofessional
Language	English
Part of speech	Adjective
Letters	14
Frequency rank	#20,806
Misspellings tracked	19
Confusable pairs	0
Source	Wiktionary (kaikki.org)

Frequency seat of misspelling magnet “unprofessional”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).unprofessionallands here:

#20,806

#1#100#1K#10K#100K

← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Same rarity band neighbours include “undisputed” (#20,805), “Urdu” (#20,807), “understandably” (#20,804). Among 1,433 “U” headwords, “unprofessional” is #20,806. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 19 spelling variants around unprofessional, anadjective. Corpus frequency is #20,806 among 1,433 “U” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 19 likely wrong-spelling variants for unprofessional, with forms such as "nuprofessional", "unnprofessional", and "unporfessional". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From un- + professional. The correct English form is unprofessional, spelled U-N-P-R-O-F-E-S-S-I-O-N-A-L.

Definition

1
Unbecoming of a professional; hence inappropriate in the workplace.
2
Lacking a profession.
3
Not relating to professional occupation or employment; nonprofessional.

Recorded use

Wiktionary examples

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

unprofessional behavior
Pitarch went just days after the coach, Cesare Prandelli. A little before Christmas, Prandelli had held a press conference in which he had declined to answer questions and instead delivered a speech one minute 57 seconds long in which he accused his players of being unprofessional.

Etymology

From un- + professional.

This word in other languages

non-professionnel(Français)unprofessionell(Deutsch)

Common misspellings

Also misspelled as:

nuprofessional
unnprofessional
unporfessional
unpprofessional
unprfoessional
unproefssional
unprofesional
unprofesisonal
unprofessinoal
unprofessioanl
unprofessionall
unprofessionla
unprofessionnal
unprofessoinal
unproffessional
unprofsesional
unprrofessional
unrpofessional
upnrofessional

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of unprofessional - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

Edit distance from "unprofessional"

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 "unprofessional"?

"unprofessional" is spelled U-N-P-R-O-F-E-S-S-I-O-N-A-L.

What does "unprofessional" mean?

As an adjective, "unprofessional" means: Unbecoming of a professional; hence inappropriate in the workplace.

What are common misspellings of "unprofessional"?

Common misspellings include "nuprofessional", "unnprofessional", "unporfessional", "unpprofessional", "unprfoessional". The correct spelling is "unprofessional".

What is the origin of the word "unprofessional"?

From un- + professional. 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 "unprofessional", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 14 letters (nearest by frequency rank).

understandably#20,804 attractiveness#20,843 multiplication#20,713 interconnected#20,969

Similar misspelling depth

Headwords with a similar count of attested misspellings (19 here; floor ≥5).

contemplated19 variants mysteriously19 variants deteriorating19 variants unrestricted19 variants