incredibly

/ɪŋˈkɹɛdɪbli/

//ɪŋˈkɹɛdɪbli// adv

By · According to Wiktionary data (CC BY-SA) ·

"incredibly" is a 10-letter English headword indexed on PlainSpell.

The verdict

“incredibly” has 16 generated spelling variants in the English index at frequency #3,761. The variants make it a useful spelling check.

#3,761
frequency rank, English
2,140
“I” headwords
16
tracked misspellings
1
confusable pair

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In an incredible manner; not to be believed.

Corpus desk

Index EN-incredibly · incredibly · English

incredibly · rank #3,761 · 16 variants · 1 confusable

  • FREQ-COMMON #3,761
  • LEN-MEGA 10 letters
  • VOW-4 4 vowels
  • CONFUS-LOW 1 pairs
  • VAR-HIGH 16 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH increasingly

Nearest frequency peer: increasingly (-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.

Rank peers near misspelling magnet “incredibly”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

incredibly vs incredible
90% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for incredibly
PropertyValue
Headwordincredibly
LanguageEnglish
Part of speechAdverb
IPA/ɪŋˈkɹɛdɪbli/
Letters10
Frequency rank#3,761
Misspellings tracked16
Confusable pairs1
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “incredibly”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).incrediblylands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “increasingly” (#3,760), “IV” (#3,762), “hence” (#3,759). Among 2,140 “I” headwords, “incredibly” is #3,761. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 16 spelling variants around incredibly (IPA /ɪŋˈkɹɛdɪbli/), anadverb. Corpus frequency is #3,761 among 2,140 “I” headwords. Wiktionary lists 3 senses, so context still picks the gloss.

Our generated misspelling index lists 16 likely wrong-spelling variants for incredibly, with forms such as "icnredibly", "inccredibly", and "incerdibly". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 1 confusable-pair relationship, "incredible", a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From incredible + -ly. The correct English form is incredibly, spelled I-N-C-R-E-D-I-B-L-Y.

Definition

  1. 1
    In an incredible manner; not to be believed.
  2. 2
    To a great extent; extremely.
  3. 3
    Used to note the surprising or hard-to-believe nature of what is being said and suggest that it is nevertheless true.

Recorded use

Wiktionary examples

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

  1. With the parental exaggeration which the birth of his various enterprises always induced, O'Sullivan spoke incredibly of eighty-five "enrolled" members.
  2. He was incredibly wealthy.

Etymology

From incredible + -ly.

Synonyms

unbelievably

This word in other languages

increíblemente(Español)incroyablement(Français)unglaublich(Deutsch)

Common misspellings

Also misspelled as:

  • icnredibly
  • inccredibly
  • incerdibly
  • incrdeibly
  • incredbily
  • increddibly
  • incredibbly
  • incrediblly
  • incrediblyy
  • incredibyl
  • incredilby
  • increidbly
  • incrredibly
  • inncredibly
  • inrcedibly
  • nicredibly

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of incredibly - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

icnredibly2inccredibly1incerdibly2incrdeibly2incredbily2increddibly1incredibbly1incrediblly1
Edit distance from "incredibly"

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 "incredibly"?
"incredibly" is spelled I-N-C-R-E-D-I-B-L-Y. The IPA pronunciation is /ɪŋˈkɹɛdɪbli/.
What does "incredibly" mean?
As an adverb, "incredibly" means: In an incredible manner; not to be believed.
What words are commonly confused with "incredibly"?
"incredibly" is commonly confused with "incredible". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "incredibly"?
The IPA (International Phonetic Alphabet) transcription for "incredibly" is /ɪŋˈkɹɛdɪbli/. 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 "incredibly"?
From incredible + -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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "incredibly", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

journalist#3,764maintained#3,768experiment#3,751enterprise#3,750

Similar misspelling depth

Headwords with a similar count of attested misspellings (16 here; floor ≥5).

agriculture16 variantsfriendship16 variantsprogramming16 variantspublishing16 variants

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

Source: FrequencyWords open word-frequency list