CONVINCINGNESS Synonyms: 35 Similar and Opposite Words

convincingness

noun

as in effectiveness

the capacity to persuade he spoke with such convincingness that we never dreamed he was lying

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for convincingness

Noun

But research has been limited and is still in the early stages of understanding the full extent of their effectiveness, safety and long-term effects when used for addiction treatment.

— Steven Beynon, ABC News, 30 July 2026
His 55 per cent success rate was better than anyone in the top 75 for take-on attempts — a marker of his effectiveness from these situations.

— Anantaajith Raghuraman, New York Times, 30 July 2026

Definition of effectiveness

Noun

As part of his plea, Kohberger waived the right to appeal, but that does not preclude him from filing a new case challenging the validity of his plea agreement.

— Cindy Von Quednow, CNN Money, 27 July 2026
As Nora’s speech and Catherine’s kind moments suggest, characters’ actions don’t consistently reflect their overall moral stance, which is often based on misunderstandings and falsehoods, its validity unknowable even to them.

— Judy Berman, Time, 27 July 2026

Definition of validity

Noun

First is to prevent their further migration by enforcing an international treaty obliging national authorities to treat ballast waters inside incoming ships that may carry such species.

— ABC News, ABC News, 30 July 2026
Prosecutors said immigration authorities will decide if Maximilien can keep his student pass in Singapore after considering all relevant factors.

— CNN Money, CNN Money, 30 July 2026

Definition of authority

Noun

What gets funded should reflect the merits of the opportunity, not the persuasiveness of the person who built the deck.

— Amer Al Ahbabi, Forbes.com, 20 July 2026
Blarney Castle is, of course, home to the legendary Blarney Stone—a block of limestone built into the castle that’s said to gift eloquence and persuasiveness to whoever kisses it.

— Lydia Mansel, Travel + Leisure, 12 July 2026

Definition of persuasiveness

Noun

According to Karim Gharbi, Extension Agent for Horticulture with CSU Extension in Denver County, the beetles' strength comes from overwhelming trees in massive numbers.

— Callie Zanandrie, CBS News, 31 July 2026
More than 40 weekly fitness experiences invite guests to move with intention, from sunrise yoga and Pilates sessions to high-energy strength and conditioning classes led by expert instructors.

— Robb Report Studio, Robb Report, 31 July 2026

Definition of strength

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

convincing

convincingness

convivial

See all Nearby Words

Cite this Entry

Style

“Convincingness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/convincingness. Accessed 4 Aug. 2026.

Copy Citation

Synonyms of convincingness

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

élan

Popular in Grammar & Usage

7 Pairs of Commonly Confused Words

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

Is it 'nerve-racking' or 'nerve-wracking'?

'Sneaked' or 'Snuck': Which is correct?

Why does English have so many silent letters?

Popular in Wordplay

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

The Longest Long Words List

How long is a jiffy?

Even More Bird Names that Sound Like Insults (and Sometimes Are)

Popular

7 Pairs of Commonly Confused Words

Dutch Treat and French Leave: Eight Place-Based Compounds

14 Phobias You Probably Haven't Heard Of

Games & Quizzes