prob'ly

/ˈpɹɒb.li/

//ˈpɹɒb.li// adv

"prob-ly" is a 6-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Pronunciation spelling of probably.

Corpus desk

Index EN-prob-ly · prob'ly · English

prob'ly · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" 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 prob'ly
PropertyValue
Headwordprob'ly
LanguageEnglish
Part of speechAdverb
IPA/ˈpɹɒb.li/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “prob'ly” in English

prob'lyfalls 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

prob'ly is uncommon English outside the top frequency list, classed as anadverb, transcribed /ˈpɹɒb.li/. Rarity is why readers land here mid-draft. Gloss: "Pronunciation spelling of probably.".

Our edit-distance generator produced no likely misspellings for prob'ly, typically a sign the spelling maps closely to how the word sounds. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: Clipping of probably (clipped pronunciation). The correct English form is prob'ly, spelled P-R-O-B-'-L-Y.

Definition

  1. 1
    Pronunciation spelling of probably.

Recorded use

Wiktionary examples

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

  1. I should prob'ly keep my eyes on the road.
  2. 1967-1969, Lou Sullivan, personal diary, quoted in 2019, Ellis Martin, Zach Ozma (editors), We Both Laughed In Pleasure All I want to do is write 'n write. But I'll prob'ly end up in COLLEGE. Ugh.

Etymology

Clipping of probably (clipped pronunciation).

Synonyms

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 "prob'ly"?
"prob'ly" is spelled P-R-O-B-'-L-Y. The IPA pronunciation is /ˈpɹɒb.li/.
What does "prob'ly" mean?
As an adverb, "prob'ly" means: Pronunciation spelling of probably.
How do you pronounce "prob'ly"?
The IPA (International Phonetic Alphabet) transcription for "prob'ly" is /ˈpɹɒb.li/. 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 "prob'ly"?
Clipping of probably (clipped pronunciation). 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