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English definition of “glitch”

glitch

noun [C] uk   /ɡlɪtʃ/ us  
a small problem or fault that prevents something from being successful or working as well as it should: We'd expected a few glitches, but everything's gone remarkably smoothly. The system has been plagued with glitches ever since its launch. specialized electronics a sudden unexpected increase in electrical power, especially one that causes a fault in an electronic system: The computer failure was due to a glitch caused by lightning.
(Definition of glitch from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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