Phrase guide

Babinski reflex

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

An abnormal plantar reflex in which the hallux moves upwards, indicative of motor neuron damage.

Definition source: English Wiktionary via Wiktextract

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Babinski's reflex, Babinski's response, Babinski's sign, Koch's sign

Antonyms: none provided

2

noun

Meaning 2

extension upward of the toes when the sole of the foot is stroked firmly on the outer side from the heel to the front; normal in infants under the age of two years but a sign of brain or spinal cord injury in older persons

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Babinski, Babinski sign

Antonyms: none provided

Broader terms: reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction

History

Etymology

After Joseph Babinski (1857–1932), French neurologist.