mightless
"mightless" is a 9-letter English headword indexed on PlainSpell.
The verdict
“mightless” is outside the top-ranked English vocabulary, used as an adjective - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 9
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Lacking in might or vigour; powerless; weak.
| Property | Value |
|---|---|
| Headword | mightless |
| Language | English |
| Part of speech | Adjective |
| Letters | 9 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “mightless” sits in English frequency
Spelling & Dictionary Insight
The English entry for mightless is 9 letters long, classified as an adjective. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Lacking in might or vigour; powerless; weak.".
mightless doesn't appear in our generated misspelling index, a sign its spelling follows regular English conventions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From Middle English mightles, from Old English mihtlēas, mihtelēas, from Proto-Germanic *mahtilausaz; equivalent to might + -less. Cognate with Scots michtles, Saterland Frisian machtloos, West Frisian machteleas, Dutch machteloos, German Low German machtlo… The correct English form is mightless, spelled M-I-G-H-T-L-E-S-S.
Definition
- 1Lacking in might or vigour; powerless; weak.
Etymology
From Middle English mightles, from Old English mihtlēas, mihtelēas, from Proto-Germanic *mahtilausaz; equivalent to might + -less. Cognate with Scots michtles, Saterland Frisian machtloos, West Frisian machteleas, Dutch machteloos, German Low German machtlos, German machtlos, Swedish maktlös, Icelandic máttlaus.
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
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Using “mightless”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is M-I-G-H-T-L-E-S-S - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
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.