vastly

/ˈvæstli/

//ˈvæstli// adv

"vastly" is a 6-letter English headword indexed on PlainSpell.

The verdict

“vastly” has 10 generated spelling variants in the English index at frequency #12,712. The variants make it a useful spelling check.

#12,712
frequency rank, English
969
“V” headwords
10
tracked misspellings
2
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Greatly, in a vast manner.

Corpus desk

Index EN-vastly · vastly · English

vastly · rank #12,712 · 10 variants · 2 confusables

  • FREQ-MID #12,712
  • LEN-LONG 6 letters
  • VOW-2 2 vowels
  • CONFUS-LOW 2 pairs
  • VAR-MID 10 variants
  • BOOK-MID 969
  • PHOTO-FINISH Valencia

Nearest frequency peer: Valencia (-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 “vastly”

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

corpus weight

What this shows “vastly” 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).

vastly vs vestry
67% similar
vastly vs vast
67% similar

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

Key facts for vastly
PropertyValue
Headwordvastly
LanguageEnglish
Part of speechAdverb
IPA/ˈvæstli/
Letters6
Frequency rank#12,712
Misspellings tracked10
Confusable pairs2
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “vastly”

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).vastlylands 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 “Valencia” (#12,711), “vile” (#12,713), “vale” (#12,710). Among 969 “V” headwords, “vastly” is #12,712. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 10 spelling variants around vastly (IPA /ˈvæstli/), anadverb. Corpus frequency is #12,712 among 969 “V” headwords. Dominant gloss: "Greatly, in a vast manner.".

Our generated misspelling index lists 10 likely wrong-spelling variants for vastly, with forms such as "avstly", "vaslty", and "vasstly". 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 2 confusable-pair relationships, "vestry", "vast", since the words sound or look close enough that writers reach for the wrong one mid-sentence.

Etymologically, the entry records: From vast + -ly. The correct English form is vastly, spelled V-A-S-T-L-Y.

Definition

  1. 1
    Greatly, in a vast manner.

Recorded use

Wiktionary examples

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

  1. “I have visited my quarters, and find them very comfortable.[…]Steerage is like everything else maritime[…]vastly improved since Robert Louis Stevenson took his trip third class to New York.”
  2. After Trump spoke with Canadian Prime Minister Justin Trudeau in April 2017, the two sides offered vastly different accounts of what was discussed.

Etymology

From vast + -ly.

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • avstly
  • vaslty
  • vasstly
  • vastlly
  • vastlyy
  • vasttly
  • vastyl
  • vatsly
  • vsatly
  • vvastly

Misspelling Pattern Breakdown

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

avstly2vaslty2vasstly1vastlly1vastlyy1vasttly1vastyl2vatsly2
Edit distance from "vastly"

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 "vastly"?
"vastly" is spelled V-A-S-T-L-Y. The IPA pronunciation is /ˈvæstli/.
What does "vastly" mean?
As an adverb, "vastly" means: Greatly, in a vast manner.
What words are commonly confused with "vastly"?
"vastly" is commonly confused with "vestry", "vast". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "vastly"?
The IPA (International Phonetic Alphabet) transcription for "vastly" is /ˈvæstli/. 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 "vastly"?
From vast + -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 "vastly", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (10 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list