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reflex

re·flex

reflex

 
 
parts of speech:
adjective, noun
features:
Word Combinations (adjective, noun), Word Explorer, Word Parts
part of speech: adjective
pronunciation: ri fleks
definition: having to do with a response or reaction that is automatic and not controlled by conscious thought.
His leg moved in a reflex action when the doctor tapped his knee.
similar words:
involuntary
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part of speech: noun
pronunciation: ri fleks
definition 1: a response or reaction of the body that is not chosen or controlled by conscious thought. A reflex occurs when the nervous system reacts to a stimulus.
Breathing is a human reflex.
definition 2: (plural) the ability to respond or react quickly.
Most tennis players have good reflexes.
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  body, nerve
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