BULLETPROOF Synonyms: 44 Similar and Opposite Words

bulletproof

adjective

ˈbu̇-lət-ˌprüf

Definition of bulletproof

as in invincible

incapable of being defeated, overcome, or subdued this year the coach's strategy seems bulletproof

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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 bulletproof Besides abstaining from booze, scientists also don’t have a bulletproof way to prevent hangovers. — Lauren J. Young, Scientific American, 17 Mar. 2026 No offshore trust or jurisdiction is completely bulletproof. — Adam Fayed, Forbes.com, 12 Mar. 2026 Warsh's theory of inflation is designed to make an essentially bulletproof case for cuts in this economy, unless something changes drastically. — Matt Peterson, CNBC, 5 Mar. 2026 While the administration could theoretically attempt to use alternative trade maneuvers to replicate the tariffs, there is no guarantee such a transition would be seamless or legally bulletproof. — Tristan Bove, Fortune, 20 Feb. 2026 See All Example Sentences for bulletproof

Recent Examples of Synonyms for bulletproof

Adjective

Cameron keeps upping the ante, until one becomes convinced the T-1000 is well-nigh invincible.

— ArsTechnica, ArsTechnica, 28 Aug. 2026
Panettiere featured as the virtually invincible high school cheerleader Claire Bennet on the series across four seasons.

— Charisma Madarang, Rolling Stone, 19 Aug. 2026

Definition of invincible

Adjective

Police escorted people out of a home in Pennsauken, New Jersey, on Wednesday, and an armored vehicle is on the scene.

— Joe Brandt, CBS News, 16 Sep. 2026
That includes more than 10,000 armored and protected vehicles, close to 3,000 air defense and artillery systems, and over 370 aircraft and helicopters, Knighton said.

— Arkansas Online, Arkansas Online, 12 Sep. 2026

Definition of armored

Adjective

Google also doesn’t claim that SynthID is invulnerable—the original paper on the technology notes that the watermark is not intended to withstand adversarial attacks.

— ArsTechnica, ArsTechnica, 29 July 2026
For Ross, this gives the character a steadier presence than the standard invulnerable operative often found in genre fiction.

— Matt Emma, USA Today, 29 July 2026

Definition of invulnerable

Adjective

Dropped catches from Steve Smith, Green and Travis Head ensured yesterday's brief rally in the field fizzled out and allowed Bangladesh to bat itself into an almost impregnable position.

— ABC News, ABC News, 14 Aug. 2026
The shell of a good- sized adult abalone is more or less impregnable to most of the kelp forest’s predators, too strong and too thick for penetration.

— Literary Hub, Literary Hub, 29 July 2026

Definition of impregnable

Adjective

Located on scenic Peaks Island in Casco Bay, Portland's Inn on Peaks Island has unbeatable views and vibes, with just six guest rooms and a popular pub.

— Condé Nast, Condé Nast Traveler, 2 Sep. 2026
Chicago was nearly unbeatable the next three seasons, setting a then-record with 72 wins in 1995-96 with Jordan winning another title and his fourth MVP.

— ABC News, ABC News, 1 Sep. 2026

Definition of unbeatable

Adjective

The report highlights that even as fiber lines are extended into rural areas and billions of federal and state dollars are deployed, affordability and access remain insurmountable barriers for many families.

— Erin Mote, Forbes.com, 15 Sep. 2026
Charlotte leaders on Monday lambasted the state as a bad faith partner but indicated the financial pressure campaign might be an insurmountable obstacle.

— Charlotte Observer, Charlotte Observer, 15 Sep. 2026

Definition of insurmountable

Adjective

Throughout her 60-year career, Dolly Parton became an indomitable force in country music, helping bring the genre to mainstream dominance.

— AJ Willingham, AJC.com, 26 Aug. 2026
More than 70 years after her onscreen breakout, Audrey Hepburn‘s legacy is an indomitable Hollywood presence to attempt to recreate onscreen.

— Glenn Garner, Deadline, 16 Aug. 2026

Definition of indomitable

Browse Nearby Words

bulletins

bulletproof

bullets

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“Bulletproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/bulletproof. Accessed 20 Sep. 2026.

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Synonyms of bulletproof

adjective

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