English Reference
noun · verb

glitch

n. · v.
US /ˈɡɫɪtʃ/ UK /ɡlˈɪtʃ/ glitch UK spelling glitches

  1. 01 B2 Upper Intermediate Informal

    n.a small and sudden problem that stops a machine or system from working for a short time.

    n.a minor, typically intermittent malfunction in a system or device that disrupts normal operation.

    Simple

    A technical glitch in the banking app prevented customers from seeing their balance.

    In context

    The launch was delayed by several hours due to a minor software glitch that affected the communication array's primary sensors.

  2. 02 B2 Upper Intermediate Informal Computing

    n.an error in a computer program or video game that causes strange behavior.

    n.a software bug or unintended behavior in a digital environment, often exploited by users to gain an advantage.

    Simple

    I found a glitch in the game that lets my character walk through walls.

    In context

    Speedrunners often spend hundreds of hours practicing specific glitches that allow them to bypass entire levels of the game.

  3. 03 C2 Proficiency Technical Science

    n.a sudden change in how fast a certain type of star spins.

    n.a sudden, discrete increase in the rotational frequency of a pulsar, often followed by a period of gradual recovery.

    Simple

    Scientists observed a glitch in the pulsar's rotation during their study.

    In context

    The sudden glitch in the pulsar's timing provided researchers with valuable data regarding the star's internal superfluid dynamics.

  4. 04 B2 Upper Intermediate Informal

    v.to have a sudden, temporary problem that stops something from working.

    v.to suffer a temporary or intermittent technical failure; often used intransitively.

    Simple

    The screen started to glitch and show strange colors after I dropped the phone.

    In context

    The live broadcast began to glitch during the final segment, resulting in several seconds of distorted audio and frozen frames.

The technical glitch saw over 2,000 flights cancelled in the UK on Tuesday and Wednesday.

The Local· 10 Sept 2026

The glitch occurred at Nats' Swanwick Centre in Hampshire, where one of its two air traffic control centres are.

BBC News· 9 Sept 2026

Probably borrowed from Yiddish גליטש (glitsh), from German glitschig (“slippy”), from glitschen (“to slide, glide, slip”) + -ig (“-y”). Related to gleiten (“glide”). Cognate with French glisser (“to slip, slide, skid”). Popularized in the 1960s, by the US space program. Attested in 1962 by American astronaut John Glenn, in reference to spikes in electrical current.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin German glitschig
Level B2 · Upper Intermediate
Frequency Frequent
Updated