INFALLIBLY Synonyms: 36 Similar and Opposite Words

infallibly

adverb

Definition of infallibly

as in perfectly

Related Words

Relevance

Dissimilar Words

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

Before Gould arrived, Gates’s team spent the day installing — making sure every bedspread, headboard, desk arrangement, lamp and, of course, the umbrella were perfectly in place.

— Luke Chinman, PEOPLE, 26 Aug. 2026
Mia Wasikowska perfectly embodies the role of Agata, a writer returning to her home continent, seeking to understand and reconnect with the wounds of the recent past, and with the ways in which unresolved conflicts continue to echo in the present.

— Leo Barraclough, Variety, 26 Aug. 2026

Definition of perfectly

Adverb

Knowing what to look for and how to properly analyze a vehicle during a test drive can be the difference between choosing your next daily driver that'll last decades, or leaving a vehicle on the lot.

— Charles Singh, USA Today, 27 Aug. 2026
During the trial, the defense called witnesses who described Clancy as a dedicated parent who suffered from extreme mental illness and was not properly treated by her medical providers.

— Nicki Brown, CNN Money, 27 Aug. 2026

Definition of properly

Adverb

Training begins with a small smoke test to make sure the robot, environment, cameras, and control system work together correctly.

— Jijo Malayil, Interesting Engineering, 27 Aug. 2026
In simpler terms, a part of your paycheck subsidizes a boomer’s benefits—and according to the Cato Institute’s 2025 polling, only 45% of Americans correctly understand how the program works.

— Joshua Hong, Fortune, 27 Aug. 2026

Definition of correctly

Adverb

Federal Reserve Chair Kevin Warsh and others have rightly emphasized that AI could raise productivity and productive capacity even as the investment boom puts pressure on resources before those benefits arrive.

— Joao Gomes, Fortune, 25 Aug. 2026
The defense is still strong, but the focus is rightly on the future and the real goal should be a top-three draft pick.

— The Athletic NFL Staff, New York Times, 25 Aug. 2026

Definition of rightly

Adverb

Here's why even more are ahead To be as comfortable as possible, dress appropriately for the weather, use bug spray and bring a blanket, a sleeping bag, or a reclining chair to lie on.

— Julia Gomez, USA Today, 27 Aug. 2026
In a letter to ICE's acting director Thursday, Cortez Masto and 15 of her colleagues in the Democratic caucus questioned ICE's need to spend up to $20 million to buy the devices, as well as the agency's ability to use them appropriately.

— ABC News, ABC News, 27 Aug. 2026

Definition of appropriately

Adverb

The property celebrates nature, with biophilic design that effortlessly connects guests with the sand, sea, and sky outside; fittingly, the signature experiences at Patina Maldives are rooted in communion with nature as well.

— Condé Nast Traveler, Condé Nast Traveler, 30 Aug. 2026
One of her biggest contributions, fittingly, was her suggestion for what color to paint the kitchen.

— Ingrid Abramovitch, Architectural Digest, 25 Aug. 2026

Definition of fittingly

Adverb

Mosses and lichens filled the hollows, while yellowish dead man’s fingers — a spooky and thus aptly named fungus — curled among low-growing rhododendrons that perfumed the air with warm, woody notes.

— Denise Hruby, Miami Herald, 21 Aug. 2026
The visual perspective that Ford brings to dialogue is aptly responsive, impulsive, imaginative.

— Richard Brody, New Yorker, 19 Aug. 2026

Definition of aptly

Adverb

Borges may not be able to see the scenery, but delights in every scrap of local color, to a degree that the American — tasked with describing everything to his elder, in suitably lyrical terms — finds quite wearisome.

— Guy Lodge, Variety, 29 Aug. 2026
Materials are suitably upscale, the design is calm and the front seats are not uncomfortable.

— Josh Max, Forbes.com, 4 Aug. 2026

Definition of suitably

Browse Nearby Words

infallible

infallibly

infamies

See all Nearby Words

Cite this Entry

Style

“Infallibly.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/infallibly. Accessed 2 Sep. 2026.

Copy Citation

Synonyms of infallibly

adverb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

dissonant

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

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

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

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

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes