what is more

adv

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

The verdict

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

Unranked
below top-frequency English
12
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - used to introduce a statement which builds on the preceding statement, but expresses a stronger sentiment.

Corpus desk

Index EN-what-is-more · what is more · English

what is more · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "W" 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 what is more
PropertyValue
Headwordwhat is more
LanguageEnglish
Part of speechAdverb
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “what is more” in English

what is moresits beyond the 100,000 most-frequent English words, in the long tail of technical, archaic, or otherwise rare vocabulary where spelling doubt tends to strike hardest.

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

Rare enough to double-check

what is more is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "used to introduce a statement which builds on the preceding statement, but expresses a stronger sentiment.".

No misspelling variants are generated for what is more in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, since no other headword is close enough in sound or shape to pair with it.

Our source data has no etymology on file for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is what is more, spelled W-H-A-T- -I-S- -M-O-R-E.

Definition

  1. 1
    used to introduce a statement which builds on the preceding statement, but expresses a stronger sentiment.

Recorded use

Wiktionary examples

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

  1. I've done it wrong, and what's more, I don't care.
  2. “I'm the lappet-faced vulture. I'm ugly and bald. No wonder that everyone looks so appalled. I have flaps on my face that are wrinkled and pink, My beak is gigantic and, what's more, I stink.

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 "what is more"?
"what is more" is spelled W-H-A-T- -I-S- -M-O-R-E.
What does "what is more" mean?
As an adverb, "what is more" means: used to introduce a statement which builds on the preceding statement, but expresses a stronger sentiment.
What language does "what is more" come from?
"what is more" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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