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has been malfunctioning
  • present perfect progressive of malfunction (3rd person singular).

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He said his chair has been malfunctioning since the collision.

From Los Angeles Times • Sep. 25, 2025

Employees said they are forced to work in stifling temperatures of high 80s and mid-90s because the store’s air conditioning system has been malfunctioning since last September.

From Los Angeles Times • Aug. 4, 2023

Users have started complaining that the public “Segments” feature of the app, which allows users to compete against other people’s workouts, has been malfunctioning.

From Slate • Feb. 8, 2018