uncertainly

/ʌnˈsɜːtən.li/

//ʌnˈsɜːtən.li// adv

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

The verdict

“uncertainly” is uncommon English (frequency #86,890 among 1,433 “U” headwords), classed as an adverb. The kind of spelling people second-guess.

#86,890
frequency rank, English
1,433
“U” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - In an uncertain manner.

Corpus desk

Index EN-uncertainly · uncertainly · English

uncertainly · rank #86,890 · 0 variants · 0 confusables

  • FREQ-RARE #86,890
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unburned

Nearest frequency peer: unburned (-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 “uncertainly”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for uncertainly
PropertyValue
Headworduncertainly
LanguageEnglish
Part of speechAdverb
IPA/ʌnˈsɜːtən.li/
Letters11
Frequency rank#86,890
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “uncertainly” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).uncertainlyfalls 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: “unburned” (#86,889), “underperformance” (#86,891), “unburied” (#86,888). Among 1,433 “U” headwords, “uncertainly” is #86,890. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

uncertainly is uncommon English at frequency #86,890 among 1,433 “U” headwords, classed as anadverb, transcribed /ʌnˈsɜːtən.li/. Rarity is why readers land here mid-draft. Gloss: "In an uncertain manner.".

The misspelling generator found no plausible variants for uncertainly, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Middle English uncerteynliche, uncertanlye. By surface analysis, uncertain + -ly or un- + certainly. The correct English form is uncertainly, spelled U-N-C-E-R-T-A-I-N-L-Y.

Definition

  1. 1
    In an uncertain manner.

Recorded use

Wiktionary examples

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

  1. "No — don't you get it?" said Rimmer. ¶ "Get what?" said Kryten, uncertainly.
  2. I sketch the place of others, pinning them down with objective confidence within an institutional, urban, or rural landscape, yet only failingly, uncertainly, imagine where I really belong[…]

Etymology

From Middle English uncerteynliche, uncertanlye. By surface analysis, uncertain + -ly or un- + certainly.

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 "uncertainly"?
"uncertainly" is spelled U-N-C-E-R-T-A-I-N-L-Y. The IPA pronunciation is /ʌnˈsɜːtən.li/.
What does "uncertainly" mean?
As an adverb, "uncertainly" means: In an uncertain manner.
How do you pronounce "uncertainly"?
The IPA (International Phonetic Alphabet) transcription for "uncertainly" is /ʌnˈsɜːtən.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 "uncertainly"?
From Middle English uncerteynliche, uncertanlye. By surface analysis, uncertain + -ly or un- + certainly. 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 "uncertainly", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list