CEFR B2
unreliability
noun
Meaning
The quality of not being able to be trusted or depended on; the tendency to fail or not perform consistently.
Examples
- The unreliability of the old internet connection caused frequent disruptions during online meetings.
- Customers complained about the unreliability of the delivery service, citing many late and missed packages.
Synonyms: inconsistency, fickleness, erraticism, capriciousness