what for

adv

"what-for" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - For what purpose.

Corpus desk

Index EN-what-for · what for · English

what for · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-2 2 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 for
PropertyValue
Headwordwhat for
LanguageEnglish
Part of speechAdverb
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “what for” in English

what forsits 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 for is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.

what for doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

No explicit etymology string is stored for this entry, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is what for, spelled W-H-A-T- -F-O-R.

Definition

  1. 1
    For what purpose.
  2. 2
    For what reason; why.

Recorded use

Wiktionary examples

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

  1. What is this tool for?
  2. That's what friends are for.

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 for"?
"what for" is spelled W-H-A-T- -F-O-R.
What does "what for" mean?
As an adverb, "what for" means: For what purpose.
What language does "what for" come from?
"what for" 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