Meanings
adjectiveknee jerk (comparative more knee jerk, superlative most knee jerk)
comparative more knee jerk · superlative most knee jerk
- alternativeAlternative form of knee-jerk.
Synonyms & antonyms
nouna reflex extension of the leg resulting from a sharp tap on the patellar tendon
Similar
knee-jerk reflexpatellar reflex
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
knee jerk. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/knee%20jerk
MLA
“knee jerk.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/knee%20jerk. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “knee jerk,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/knee%20jerk.
Source: knee jerk on Wiktionary, CC BY-SA 4.0.