reliability
- 1The quality of being someone or something that you can trust and depend on.
Like a friend who always shows up when they say they will.
The car's reliability made it a popular choice for families.
We trust her because of her reliability at work.
Similardependability
Oppositeunreliability
- 2How long a machine keeps working before it breaks down.
Like a bike that keeps working for years without the chain ever slipping off.
The reliability of the old tractor was poor, and it broke down often.
Engineers tested the pump's reliability before selling it.
Similardependability, durability
Oppositeunreliability
Note
- 3How much a test gives the same answer each time you use it.
Like a ruler that shows the same length every time you measure the same book.
The quiz had high reliability because students got similar scores when they took it twice.
Poor reliability meant the survey gave different results each week.
Similarconsistency, repeatability, reproducibility
Oppositeunreliability, inconsistency
Note
Practice
Can you tell the meanings of reliability apart? Answer 3 quick questions from this page, or write your own sentence and AI will check it.
Origin
From the word "reliable" plus the ending "-ity".