diabolic
/ˌdaɪəˈbɒlɪk/adjective
diabolic is spelled D-I-A-B-O-L-I-C: 8 letters. 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, diabolic means “Of, being, or pertaining to a devil or the Devil” (English Wiktionary, September 2026).
How many letters and syllables are in diabolic?
| Letters | 8: D-I-A-B-O-L-I-C |
|---|---|
| In writing | about once in every 7 million words; the 78,613th most frequent word form |
| Wrong spellings searched | none measured in search |
| Same letters |
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 diabolic?
Diabolic 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 diabolic?
- /ˌdaɪəˈbɒlɪk/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-diabolic.wav, Wikimedia Commons (author and licence on each file's page).
What rhymes with diabolic?
No other word on PlainSpell ends in the same sounds as diabolic.
Spelled with the same letters in another order: biocidal.
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).
Forms of diabolic
- more diabolic comparative
- most diabolic superlative
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does diabolic mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Of, being, or pertaining to a devil or the Devil.
diabolic magic square
- 2
Having qualities traditionally attributed to devils.
- 3
Wicked; evil; cruel.
a cunning and diabolic plot
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Diabolic in Spanish, French, German and Portuguese
In the sense showing wickedness typical of a devil:
| Language | Words |
|---|---|
| French | diabolique |
| German | teuflisch, diabolisch |
| Portuguese | diabólico |
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.