piecewise

adv

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

The verdict

“piecewise” is uncommon English (frequency #82,667 among 4,417 “P” headwords), classed as an adverb. The kind of spelling people second-guess.

#82,667
frequency rank, English
4,417
“P” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In terms or by means of pieces; a piece at a time.

Corpus desk

Index EN-piecewise · piecewise · English

piecewise · rank #82,667 · 0 variants · 0 confusables

  • FREQ-RARE #82,667
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 4,417
  • PHOTO-FINISH pickpocketing

Nearest frequency peer: pickpocketing (-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 “piecewise”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for piecewise
PropertyValue
Headwordpiecewise
LanguageEnglish
Part of speechAdverb
Letters9
Frequency rank#82,667
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “piecewise” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).piecewisefalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “pickpocketing” (#82,666), “pillion” (#82,669), “physiographic” (#82,664). Among 4,417 “P” headwords, “piecewise” is #82,667. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

piecewise is uncommon English at frequency #82,667 among 4,417 “P” headwords, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.

piecewise doesn't appear in our generated misspelling 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 piece + -wise. The correct English form is piecewise, spelled P-I-E-C-E-W-I-S-E.

Definition

  1. 1
    In terms or by means of pieces; a piece at a time.
  2. 2
    Throughout separate parts, but not necessarily throughout the whole.

Recorded use

Wiktionary examples

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

  1. Near-synonyms: piecemeal, apiece
  2. One could even do the recount piecewise, starting with the most questionable regions.

Etymology

From piece + -wise.

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); 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 "piecewise"?
"piecewise" is spelled P-I-E-C-E-W-I-S-E.
What does "piecewise" mean?
As an adverb, "piecewise" means: In terms or by means of pieces; a piece at a time.
What is the origin of the word "piecewise"?
From piece + -wise. 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 "piecewise", 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