1. An automatic instinctive unlearned reaction to a stimulus
   - reflex, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction

Type of: reaction, response

• exclusively
• exclusiveness
• exclusivity
• excogitate
• excogitation
• excogitative
• excogitator
• excommunicate
• excommunication
• excommunicator
• excoriate
• excoriation
• excrement
• excremental
• excrescence
• excrescent
• excreta
• excrete
• excreting
• excretion
• excretory
• excretory organ
• excretory product
• excruciate
• excruciating