inadvisable

adj

"inadvisable" is a 11-letter English headword indexed on PlainSpell.

The verdict

“inadvisable” is uncommon English (frequency #75,069 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#75,069
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unwise; not recommended; not prudent; not to be advised.

Corpus desk

Index EN-inadvisable · inadvisable · English

inadvisable · rank #75,069 · 0 variants · 0 confusables

  • FREQ-RARE #75,069
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH inaccessibili…

Nearest frequency peer: inaccessibility (-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 “inadvisable”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for inadvisable
PropertyValue
Headwordinadvisable
LanguageEnglish
Part of speechAdjective
Letters11
Frequency rank#75,069
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “inadvisable” 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).inadvisablefalls 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: “inaccessibility” (#75,068), “incongruity” (#75,070), “impracticable” (#75,067). Among 2,140 “I” headwords, “inadvisable” is #75,069. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

inadvisable is uncommon English at frequency #75,069 among 2,140 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Unwise; not recommended; not prudent; not to be advised.".

Zero misspellings are on record for inadvisable in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From in- + advisable. The correct English form is inadvisable, spelled I-N-A-D-V-I-S-A-B-L-E.

Definition

  1. 1
    Unwise; not recommended; not prudent; not to be advised.

Etymology

From in- + advisable.

This word in other languages

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 "inadvisable"?
"inadvisable" is spelled I-N-A-D-V-I-S-A-B-L-E.
What does "inadvisable" mean?
As an adjective, "inadvisable" means: Unwise; not recommended; not prudent; not to be advised.
What is the origin of the word "inadvisable"?
From in- + advisable. 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 "inadvisable", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list