reflex
noun/ˈriflɛks/
Frequency rank: #8,240 most common English word
Meaning
An automatic and involuntary response to a stimulus.

Example sentence
The doctor tapped my knee to test my reflex.
Synonyms & related words
Practice this word in the quiz
More words in ranks 8,201–8,300
- provocativecausing strong reactions, especially anger or excitement; intended to provoke.
- purposelydone with intention; deliberately
- questionnaireA set of printed questions used to gather information from people.
- reclaimto get something back or restore it to a better condition.
- redevelopmentthe process of improving or rebuilding an area, especially an urban one, by constructing new buildings or facilities.
- relocateto move to a new place or position.
- rematcha second contest between the same opponents, held after an earlier match.
- renalrelating to the kidneys
- repaymentThe act of paying back money that was borrowed.
- riddlea question or statement phrased as a puzzle to be solved.