不具合
ふ
ぐ
あ
い
Meanings
1
flaw; defect; malfunction; bug
Broadly used for physical defects, system errors, software bugs, and operational failures. Often appears in technical and business contexts.
This software still has several bugs.
Production was halted because a malfunction occurred in the machine.
2
Describes a situation or condition that is inconvenient or not working as desired. Less common than the noun sense.
My current place is inconvenient because it's far from the station.
Usage patterns
- 〈物〉に不具合があるthere is a defect/malfunction in 〈something〉
There is a malfunction in this computer.
- 不具合が発生するa malfunction/bug occurs
A bug occurred in the system.
- 不具合を修正するto fix a defect/bug
The engineer fixed the bug.
- 不具合を報告するto report a defect/malfunction
The user reported the malfunction.