deadliness
/ˈdɛdlɪnəs/
"deadliness" is a 10-letter English headword indexed on PlainSpell.
The verdict
“deadliness” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of lethality.
Corpus desk
Index EN-deadliness · deadliness · English
deadliness · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 10 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "D" 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.
| Property | Value |
|---|---|
| Headword | deadliness |
| Language | English |
| Part of speech | Noun |
| IPA | /ˈdɛdlɪnəs/ |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “deadliness” sits in English frequency
Rare enough to double-check
deadliness is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈdɛdlɪnəs/. Rarity is why readers land here mid-draft. 3 senses are on record.
No misspelling variants are generated for deadliness in our index, suggesting the orthography follows predictable English patterns. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Middle English dedlinesse, deadlicnesse, from Old English dēadlīcnes, equivalent to deadly + -ness. The correct English form is deadliness, spelled D-E-A-D-L-I-N-E-S-S.
Definition
- 1Synonym of lethality.
- 2Synonym of lethality.
- 3Tedium, or the quality of being boring.
Etymology
From Middle English dedlinesse, deadlicnesse, from Old English dēadlīcnes, equivalent to deadly + -ness.
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.
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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.