one hundred percent

adj

"one-hundred-percent" is a 17-letter English headword indexed on PlainSpell.

The verdict

“one hundred percent” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
19
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Complete, entire, whole, perfect.

Corpus desk

Index EN-one-hundred-percent · one hundred percent · English

one hundred percent · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 19 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 one hundred percent
PropertyValue
Headwordone hundred percent
LanguageEnglish
Part of speechAdjective
Letters19
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “one hundred percent” in English

one hundred percentsits 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

one hundred percent is uncommon English outside the top frequency list, classed as anadjective. Rarity is why readers land here mid-draft. 4 senses are on record.

No misspelling variants are generated for one hundred percent in our index, which points to an orthography that plays by predictable English rules. Our dataset records no confusable match here, which tends to mean the word is visually distinctive enough to stand on its own.

No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is one hundred percent, spelled O-N-E- -H-U-N-D-R-E-D- -P-E-R-C-E-N-T.

Definition

  1. 1
    Complete, entire, whole, perfect.
  2. 2
    Completely sure.
  3. 3
    Well, good, okay.
  4. 4
    Used other than figuratively or idiomatically: see one hundred, percent.

Recorded use

Wiktionary examples

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

  1. We are willing to provide one hundred percent mortgages.
  2. He has a one hundred percent record of success.

Synonyms

cent percentcentum

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 "one hundred percent"?
"one hundred percent" is spelled O-N-E- -H-U-N-D-R-E-D- -P-E-R-C-E-N-T.
What does "one hundred percent" mean?
As an adjective, "one hundred percent" means: Complete, entire, whole, perfect.
What language does "one hundred percent" come from?
"one hundred percent" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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