reliable

1 of 2

adjective

re·​li·​able ri-ˈlī-ə-bəl How to pronounce reliable (audio)
1
: suitable or fit to be relied on : dependable
2
: giving the same result on successive trials
reliableness noun
reliably adverb

reliable

2 of 2

noun

: one that is reliable

Examples of reliable in a Sentence

Adjective He's not very reliable. You can't always count on him to do what he says he'll do. We can't write a report without reliable data. We need more reliable information before we can take action.
Recent Examples on the Web
Adjective
Competition for other more reliable phone alternatives is robust, said Marc Blakeman, president of AT&T California. Betty Lin-Fisher, USA TODAY, 14 May 2024 Eli is not only reliable and hardworking but also a beacon of kindness. Gege Reed, The Courier-Journal, 13 May 2024 See all Example Sentences for reliable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'reliable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Adjective

1569, in the meaning defined at sense 1

Noun

1852, in the meaning defined above

Time Traveler
The first known use of reliable was in 1569

Dictionary Entries Near reliable

Cite this Entry

“Reliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reliable. Accessed 18 May. 2024.

Kids Definition

reliable

adjective
re·​li·​able
ri-ˈlī-ə-bəl
: fit to be trusted : dependable
reliableness noun
reliably
-blē
adverb

Medical Definition

reliable

adjective
re·​li·​able ri-ˈlī-ə-bəl How to pronounce reliable (audio)
: giving the same result on successive trials
a reliable psychological test

More from Merriam-Webster on reliable

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!