doubtlessly
"doubtlessly" is a 11-letter English headword indexed on PlainSpell.
The verdict
“doubtlessly” is uncommon English (frequency #85,191 among 3,470 “D” headwords), classed as an adverb. The kind of spelling people second-guess.
- #85,191
- frequency rank, English
- 3,470
- “D” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Without question; indubitably.
Corpus desk
Index EN-doubtlessly · doubtlessly · English
doubtlessly · rank #85,191 · 0 variants · 0 confusables
- FREQ-RARE #85,191
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 3,470
- PHOTO-FINISH Dougan
Nearest frequency peer: Dougan (+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.
Frequency neighbourhood for “doubtlessly”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- Dombrowski
Dombrowski
14,814 corpus weight
- domesticate
domesticate
14,812 corpus weight
- doubtlessly
doubtlessly
14,810 corpus weight
- Dougan
Dougan
14,809 corpus weight
- downtempo
downtempo
14,808 corpus weight
- Dromore
Dromore
14,807 corpus weight
What this shows Bars show where “doubtlessly” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | doubtlessly |
| Language | English |
| Part of speech | Adverb |
| Letters | 11 |
| Frequency rank | #85,191 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “doubtlessly” sits in English frequency
Rare enough to double-check
doubtlessly is uncommon English at frequency #85,191 among 3,470 “D” headwords, classed as anadverb. Rarity is why readers land here mid-draft. 2 senses are on record.
Our edit-distance generator produced no likely misspellings for doubtlessly, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: From Middle English doutelesly, dowtelesly, equivalent to doubtless + -ly. The correct English form is doubtlessly, spelled D-O-U-B-T-L-E-S-S-L-Y.
Definition
- 1Without question; indubitably.
- 2Without feeling doubt, without misgivings.
Recorded use
Wiktionary examplesThese source excerpts show how doubtlessly appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
There are doubtlessly more insects than mammals.
Some powers diuine, or els infernall, mixt Their angry ſeedes at his conception: For he was neuer ſprong of humaine race, Since with the ſpirit of his fearefull pride, He dares so doubtleſly reſolue of rule.
Etymology
From Middle English doutelesly, dowtelesly, equivalent to doubtless + -ly.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "doubtlessly", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).
What to do next
You've looked up "doubtlessly". Here's where to go from here.
- Usage frequency rank #85,191 among English headwords in this corpus. Corpus statistics
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Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.