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brainless

adjective

brainless is spelled B-R-A-I-N-L-E-S-S: 9 letters and 2 syllables. It appears about once in every 2 million words in written English, the 39,336th most frequent word form (wordfreq, 2021 data). As an adjective, brainless means “Having no brain” (English Wiktionary, September 2026).

How many letters and syllables are in brainless?

Letters9: B-R-A-I-N-L-E-S-S
Syllables2 (from its American pronunciation)
In writingabout once in every 2 million words; the 39,336th most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is brainless?

Brainless appears about once in every 2 million words in written English, the 39,336th 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 brainless?

Brainless has 2 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-brainless.wav, Wikimedia Commons (author and licence on each file's page).

Forms of brainless

  • more brainless comparative
  • most brainless superlative

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does brainless mean?

The meanings the English Wiktionary records, quoted as written there (source below).

adjective

  1. 1

    Having no brain.

  2. 2

    Unintelligent, with little common sense.

  3. 3

    Of an action performed, overly repetitive and unchallenging, not requiring any careful attention or providing any significant stimulation.

    Near-synonyms: automatic, rote, dull

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Brainless in Spanish, French, German and Portuguese

LanguageWords
Germanhirnlos (having no brain), gedankenlos, einfältig (unintelligent; having little or no common sense)
Spanishdescerebrado (having no brain)
Frenchsans cervelle (unintelligent; having little or no common sense)
Portuguesedescerebrado (unintelligent; having little or no common sense)

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 brainless come from?

From Middle English braynles; equivalent to brain + -less.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

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