biofeedback

/ˈbaɪoʊ.fiːdˌbæk/

//ˈbaɪoʊ.fiːdˌbæk// noun

"biofeedback" is a 11-letter English headword indexed on PlainSpell.

The verdict

“biofeedback” is uncommon English (frequency #62,716 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#62,716
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A technique of gaining greater awareness of the many physiological functions of one's own body by using electronic or other instruments, and with the goal of being able to manipulate the body's sys...

Key facts for biofeedback
PropertyValue
Headwordbiofeedback
LanguageEnglish
Part of speechNoun
IPA/ˈbaɪoʊ.fiːdˌbæk/
Letters11
Frequency rank#62,716
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “biofeedback” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). biofeedback lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

biofeedback is uncommon English at frequency #62,716 among 31,241 “B” headwords, classed as anoun, transcribed /ˈbaɪoʊ.fiːdˌbæk/. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for biofeedback, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From bio- + feedback. First appears c. 1970 in the Journal of Transpersonal Psychology. The correct English form is biofeedback, spelled B-I-O-F-E-E-D-B-A-C-K.

Definition

  1. 1
    A technique of gaining greater awareness of the many physiological functions of one's own body by using electronic or other instruments, and with the goal of being able to manipulate the body's systems at will.
  2. 2
    Being mindful of one's own sensations for similar purposes (irrespective of technological devices).

Etymology

From bio- + feedback. First appears c. 1970 in the Journal of Transpersonal Psychology.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "biofeedback"?
"biofeedback" is spelled B-I-O-F-E-E-D-B-A-C-K. The IPA pronunciation is /ˈbaɪoʊ.fiːdˌbæk/.
What does "biofeedback" mean?
As a noun, "biofeedback" means: A technique of gaining greater awareness of the many physiological functions of one's own body by using electronic or other instruments, and with the goal of being able to manipulate the body's sys...
How do you pronounce "biofeedback"?
The IPA (International Phonetic Alphabet) transcription for "biofeedback" is /ˈbaɪoʊ.fiːdˌbæk/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "biofeedback"?
From bio- + feedback. First appears c. 1970 in the Journal of Transpersonal Psychology. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “biofeedback”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-I-O-F-E-E-D-B-A-C-K - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbaɪoʊ.fiːdˌbæk/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list