RELIABLENESS Synonyms: 21 Similar and Opposite Words

reliableness

noun

Definition of reliableness

as in reliability

worthiness as the recipient of another's trust or confidence the proven reliableness of that brand of household appliances

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for reliableness

reliability

Noun

But service reliability doesn’t happen by accident or by delaying projects and investments.

— H. Russell Frisby, Baltimore Sun, 2 Nov. 2026
Cadillac has also had plenty of reliability problems this year, usually with its front brakes overheating.

— Jonathan M. Gitlin, ArsTechnica, 2 Nov. 2026

Definition of reliability

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

reliable

reliableness

reliance

See all Nearby Words

Cite this Entry

Style

“Reliableness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/reliableness. Accessed 4 Nov. 2026.

Copy Citation

Synonyms of reliableness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

fulsome

Popular in Grammar & Usage

How to Use 'Who' vs. 'Whom'

Merriam-Webster’s Great Big List of Words You Love to Hate

'Affect' vs. 'Effect'

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

7 Words for Old-Timey Vehicles

Ten More Words from Taylor Swift Songs

12 Lovely and Unusual Words for the Natural World

Popular

How to Use 'Who' vs. 'Whom'

Great Big List of Beautiful and Useless Words, Vol. 5

9 Words That Sound Like Insults But Aren't

Games & Quizzes