illogically

adv

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

The verdict

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

Unranked
below top-frequency English
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In an illogical manner, without following methods of sane and correct reasoning, in a manner lacking thought or logic.

Corpus desk

Index EN-illogically · illogically · English

illogically · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "I" 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 illogically
PropertyValue
Headwordillogically
LanguageEnglish
Part of speechAdverb
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “illogically” in English

illogicallyfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

illogically is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "In an illogical manner, without following methods of sane and correct reasoning, in a manner lacking thought or logic.".

We couldn't generate a plausible misspelling set for illogically, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From illogical + -ly. The correct English form is illogically, spelled I-L-L-O-G-I-C-A-L-L-Y.

Definition

  1. 1
    In an illogical manner, without following methods of sane and correct reasoning, in a manner lacking thought or logic.

Recorded use

Wiktionary example

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

  1. Is the person acting in a strange manner, behaving illogically and seemingly out of touch with reality?

Etymology

From illogical + -ly.

Antonyms

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "illogically"?
"illogically" is spelled I-L-L-O-G-I-C-A-L-L-Y.
What does "illogically" mean?
As an adverb, "illogically" means: In an illogical manner, without following methods of sane and correct reasoning, in a manner lacking thought or logic.
What is the origin of the word "illogically"?
From illogical + -ly. 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