massless
/ˈmæs.ləs/adjective
massless is spelled M-A-S-S-L-E-S-S: 8 letters and 2 syllables. It appears about once in every 7 million words in written English, the 78,613th most frequent word form (wordfreq, 2021 data). As an adjective, massless means “Having no mass” (English Wiktionary, September 2026).
How many letters and syllables are in massless?
| Letters | 8: M-A-S-S-L-E-S-S |
|---|---|
| Syllables | 2 (from its pronunciation) |
| In writing | about once in every 7 million words; the 78,613th most frequent word form |
| Wrong spellings searched | none measured in search |
| Rhymes with |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); rhymes and same-letter words are computed by PlainSpell from its own word list.
How common is massless?
Massless appears about once in every 7 million words in written English, the 78,613th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce massless?
- US /ˈmæs.ləs/
- US /ˈmæs.lɪs/
Massless has 2 syllables (counted from the pronunciation).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What rhymes with massless?
2 words on PlainSpell end in the same sounds as massless from its last stressed vowel (/æsləs/):
Computed by PlainSpell from the pronunciations in the English Wiktionary (dump of September 2, 2026): a rhyme shares every sound from the last stressed vowel to the end; ordered by written frequency (wordfreq 3.1).
What does massless mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Having no mass.
The photon is a massless particle.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Massless in Spanish, French, German and Portuguese
In the sense having no mass:
| Language | Words |
|---|---|
| German | masselos |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does massless come from?
From mass + -less.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).