reliability

noun

re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbi-lə-tē 

1

: the quality or state of being reliable

2

: the extent to which an experiment, test, or measuring procedure yields the same results on repeated trials

Synonyms

• dependability
• dependableness
• reliableness
• responsibility
• solidity
• solidness
• sureness
• trustability
• trustworthiness

Examples of reliability in a Sentence

we never had reason to question the reliability of the park rangers in the event of an emergency

Recent Examples on the Web

The integration of these monitoring components creates a robust MLOps environment capable of handling the complexities of production ML systems while maintaining high performance and reliability standards. —Neel Sendas, Forbes.com, 4 Apr. 2025

Over the past decade, Rory has cultivated a company culture rooted in integrity, reliability, and positivity. —USA Today, 4 Apr. 2025

Yet, despite the enormous potential of AI, the explosive growth of data centers has collided with rapidly eroding grid reliability and a tightening power supply. —Terry Jarrett, Boston Herald, 2 Apr. 2025

Despite reliability concerns and Pentagon efforts to stretch airframe mileage, the U.S. still plans to operate roughly 2,500 jets through the 2080s. —Jason D. Greenblatt, MSNBC Newsweek, 2 Apr. 2025

Word History

First Known Use

1810, in the meaning defined at sense 1

Rhymes for reliability

• acceptability
• accessibility
• adaptability
• admissibility
• advisability
• affordability
• allowability
• amenability
• amiability
• appealability
• applicability
• availability

Kids Definition

reliability

noun

re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbil-ət-ē 

plural reliabilities

: the quality or state of being reliable

Medical Definition

reliability

noun

re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbil-ət-ē 

plural reliabilities

: the extent to which an experiment, test, or measuring procedure yields the same results on repeated trials