effectual

/iˈfɛkt͡ʃuəl/

//iˈfɛkt͡ʃuəl// adj

"effectual" is a 9-letter English headword indexed on PlainSpell.

The verdict

“effectual” is uncommon English (frequency #63,585 among 2,246 “E” headwords), classed as an adjective. The kind of spelling people second-guess.

#63,585
frequency rank, English
2,246
“E” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Producing the intended result; entirely adequate.

Corpus desk

Index EN-effectual · effectual · English

effectual · rank #63,585 · 0 variants · 0 confusables

  • FREQ-RARE #63,585
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,246
  • PHOTO-FINISH EDSA

Nearest frequency peer: EDSA (-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 “effectual”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for effectual
PropertyValue
Headwordeffectual
LanguageEnglish
Part of speechAdjective
IPA/iˈfɛkt͡ʃuəl/
Letters9
Frequency rank#63,585
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “effectual” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).effectualfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “EDSA” (#63,584), “Edgware” (#63,583), “eldritch” (#63,588). Among 2,246 “E” headwords, “effectual” is #63,585. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

effectual is uncommon English at frequency #63,585 among 2,246 “E” headwords, classed as anadjective, transcribed /iˈfɛkt͡ʃuəl/. Rarity is why readers land here mid-draft. Gloss: "Producing the intended result; entirely adequate.".

No misspelling variants are generated for effectual in our index, typically a sign the spelling maps closely to how the word sounds. 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 Middle English effectual, effectuel, from Old French effectuel, from Late Latin effectualis. The correct English form is effectual, spelled E-F-F-E-C-T-U-A-L.

Definition

  1. 1
    Producing the intended result; entirely adequate.

Recorded use

Wiktionary examples

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

  1. Redoubling, then, the active energy of his thrusts, favoured by the fervid appetite of my motions, the soft oiled wards can no longer stand so effectual a picklock, but yield, and open him an entrance.
  2. In the living state, the body is observed to […] adopt most effectual measures for the permanent continuance of its species.

Etymology

From Middle English effectual, effectuel, from Old French effectuel, from Late Latin effectualis.

Antonyms

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 "effectual"?
"effectual" is spelled E-F-F-E-C-T-U-A-L. The IPA pronunciation is /iˈfɛkt͡ʃuəl/.
What does "effectual" mean?
As an adjective, "effectual" means: Producing the intended result; entirely adequate.
How do you pronounce "effectual"?
The IPA (International Phonetic Alphabet) transcription for "effectual" is /iˈfɛkt͡ʃuəl/. 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 "effectual"?
From Middle English effectual, effectuel, from Old French effectuel, from Late Latin effectualis. 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 "effectual", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list