glitch
US /ɡlɪtʃ/
UK /ɡlɪtʃ/

1.
a sudden, usually temporary malfunction or irregularity of equipment
:
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There was a minor glitch in the system, causing a brief delay.
•
The video game had a few graphical glitches.
1.
to suffer a sudden, usually temporary malfunction or irregularity
:
•
The old computer tends to glitch when running heavy software.
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The screen started to glitch and then went black.