Definition of Tourette's syndrome
: a familial neurological disorder of variable expression that is characterized by recurrent involuntary tics involving body movements (such as eye blinks or grimaces) and vocalizations (such as grunts or utterance of inappropriate words), often has one or more associated conditions (such as obsessive-compulsive disorder), is more common in males than females, and usually has an onset in childhood and often stabilizes or ameliorates in adulthood
Keep scrolling for more
Keep scrolling for more
Test Your Vocabulary
Words of Snow and Ice Quiz
- Which of the following refers to thin, bending ice, or to the act of running over such ice?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Anagram puzzles meet word search.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Words of Snow and Ice Quiz
A selection of words from the chillier parts of t...
Take the quizName that Thing: Toys and Games Edition
It's all fun and games until someone beats your h...
Take the quizTrue or False?
Test your knowledge - and maybe learn something a...
Take the quizSCRABBLE® Sprint
SCRABBLE® fans, sharpen your skills!
Play the game
Share Tourette's syndrome
Time Traveler for Tourette's syndrome
The first known use of Tourette's syndrome was in 1970
See more words from the same year