INFALLIBLY Synonyms: 36 Similar and Opposite Words

infallibly

adverb

Definition of infallibly

as in perfectly

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Example Sentences

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.

Recent Examples of infallibly Official liberalism had long been almost inextricably identified with a picture of man as perfectible, as endowed with sufficient wisdom and selflessness to endure power and to use it infallibly for the general good. — David Brooks, The Atlantic, 8 July 2026 The 600 Critics Choice voters, who range across North America and abroad, often predict the Oscar winners, but not infallibly. — Anne Thompson, IndieWire, 5 Jan. 2026 With words infallibly falling short, Pritam mingled realism with a fragmentary style of narration that meshes together social encounters, violent episodes, vivid metaphors, disturbing dreams, memories, intimate self-reflections, and introspection on society. — JSTOR Daily, 30 Oct. 2025

Recent Examples of Synonyms for infallibly

Adverb

Smith-Njigba positioned his body perfectly for the catch at the goal line.

— Blair Kerkhoff, Kansas City Star, 26 Oct. 2026
Pembrolizumab perfectly complements this bounty hunter approach.

— Mike McRae October 25, New Atlas, 26 Oct. 2026

Definition of perfectly

Adverb

Since the AeroSlider moves alongside the axles, its aerodynamic parts remain properly positioned without the need for additional adjustments.

— Georgina Jedikovska, Interesting Engineering, 20 Oct. 2026
An agent could be properly authenticated, correctly authorized and operating within its guardrails.

— Shekhar Iyer, Forbes.com, 20 Oct. 2026

Definition of properly

Adverb

Additionally, Marshall has correctly noted that gas prices were higher during former President Joe Biden’s administration, peaking above $5 nationally.

— Dylan Lysen, Kansas City Star, 22 Oct. 2026
An agent could be properly authenticated, correctly authorized and operating within its guardrails.

— Shekhar Iyer, Forbes.com, 20 Oct. 2026

Definition of correctly

Adverb

Jarman pointed out, rightly, that in the 1630s, the walls wouldn’t have been crumbling at all.

— Sarah Shachat, IndieWire, 19 Oct. 2026
John Mayer, Michael Jordan, and Sam Altman are rightly known as pioneering, if not rule-breaking, leaders in their respective fields—who also happen to be three notable collectors of the startup Swiss watchmaker Vanguart.

— Rachel Ingram, Robb Report, 18 Oct. 2026

Definition of rightly

Adverb

The entire piece is, appropriately enough, too big to take in in one glance; a viewer must step from side to side, and peer and squint, to make any sense of it.

— Rebecca Mead, New Yorker, 26 Oct. 2026
Fuel Check was announced as part of an effort to make sure gas station operators are charging appropriately following the suspension of the tax.

— Eva Flowe October 22, Charlotte Observer, 22 Oct. 2026

Definition of appropriately

Adverb

Held in honor of Liber Pater’s 20th anniversary, the fall sale will fittingly include 20 lots curated from the vintages 2006 to 2021.

— Rachel Cormack, Robb Report, 23 Oct. 2026
That team, fittingly enough, will be honored during the Hurricanes’ game on Saturday against Pittsburgh, with the current team wearing replica jerseys to recognize the group.

— Jordan McPherson, Miami Herald, 22 Oct. 2026

Definition of fittingly

Adverb

Less well known is the secondary dining area—aptly named the Secret Garden—which, in good weather, offers a wonderful al fresco experience on the terrace.

— Condé Nast, Condé Nast Traveler, 9 Oct. 2026
The house even released a book, aptly titled Zoë, in honor of the pair’s bond.

— Hannah Jackson, Vogue, 9 Oct. 2026

Definition of aptly

Adverb

Colors were suitably accurate and nicely saturated, and the image offered good contrast across the board from dark to bright scenes, along with impressively good shadow detail and a sense of three-dimensionality in dark scenes.

— M. David Stone, PC Magazine, 24 Oct. 2026
The amenities were suitably Hollywood, too, including a home theater, professional-grade gym, wellness room, swimming pool, spa, and separate guesthouse.

— Abby Montanez, Robb Report, 23 Oct. 2026

Definition of suitably

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infallible

infallibly

infamies

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Style

“Infallibly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallibly. Accessed 27 Oct. 2026.

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Synonyms of infallibly

adverb

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