split-second

/ˌsplɪtˈsɛk(ə)nd/

//ˌsplɪtˈsɛk(ə)nd// noun

"split-second" is a 11-letter English headword indexed on PlainSpell.

The verdict

“split-second” is uncommon English (outside the top frequency list), classed as a noun. 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) - A stopwatch with two second hands, each of which may be stopped separately to time the intervals of a race by a sportsperson, or to time more than one sportsperson.

Corpus desk

Index EN-split-second · split-second · English

split-second · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 12 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 split-second
PropertyValue
Headwordsplit-second
LanguageEnglish
Part of speechNoun
IPA/ˌsplɪtˈsɛk(ə)nd/
Letters12
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “split-second” in English

split-secondfalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

split-second is uncommon English outside the top frequency list, classed as anoun, transcribed /ˌsplɪtˈsɛk(ə)nd/. Rarity is why readers land here mid-draft. 2 senses are on record.

split-second has no tracked misspelling variants, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From split (adjective) + second (noun), from split second(s) hands: see sense 1. The correct English form is split-second, spelled S-P-L-I-T---S-E-C-O-N-D.

Definition

  1. 1
    A stopwatch with two second hands, each of which may be stopped separately to time the intervals of a race by a sportsperson, or to time more than one sportsperson.
  2. 2
    A fraction of a second; hence (figurative, also attributive) a very short time period; an instant, a moment.

Recorded use

Wiktionary examples

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

  1. It's very dangerous, though, when a man thinks for a split second that he understands death.
  2. I was in the gutter, sitting my bike, willing them to die, […] or otherwise obliterated because this demanded split-second timing.

Etymology

From split (adjective) + second (noun), from split second(s) hands: see sense 1.

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 "split-second"?
"split-second" is spelled S-P-L-I-T---S-E-C-O-N-D. The IPA pronunciation is /ˌsplɪtˈsɛk(ə)nd/.
What does "split-second" mean?
As a noun, "split-second" means: A stopwatch with two second hands, each of which may be stopped separately to time the intervals of a race by a sportsperson, or to time more than one sportsperson.
How do you pronounce "split-second"?
The IPA (International Phonetic Alphabet) transcription for "split-second" is /ˌsplɪtˈsɛk(ə)nd/. 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 "split-second"?
From split (adjective) + second (noun), from split second(s) hands: see sense 1. 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.

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

Source: FrequencyWords open word-frequency list