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

That summer, the Warriors responded by signing Kevin Durant and morphing from juggernaut to invincible.

— Joseph Dycus, Mercury News, 24 July 2026
With the franchise’s trademark blend of extreme gore and dark humor, the Evil Dead backstory centers on the ancient Book of the Dead that unleashes supernatural evil forces and twists victims into sadistic, shape-shifting, near-invincible monsters.

— Brady MacDonald, Oc Register, 21 July 2026

Definition of invincible

Adjective

An armored personnel carrier whisked President Lai Ching-te and members of his staff from their offices in the capital Taipei to a fortified command center near the Defense Ministry, a statement from the president’s office said.

— Brad Lendon, CNN Money, 7 Aug. 2026
One Secret Service agent was struck in the chest by a round but survived due to wearing an armored vest.

— Sarah Rumpf-Whitten, FOXNews.com, 6 Aug. 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

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
As recidivist would-be escapees, de Boeldieu, Marechal, and Rosenthal are transferred to an impregnable medieval fortress, commanded by Captain von Rauffenstein, now burnt, broken in body, and wearing a neck brace.

— Thomas Doherty, HollywoodReporter, 18 July 2026

Definition of impregnable

Adjective

But then grandparents started using email to communicate with their grandkids and the wave became unstoppable.

— Robbie Morrison, Forbes.com, 4 Aug. 2026
Decades into her career, Shakira remains an unstoppable force — and her current streaming success proves it.

— Maya Georgi, Rolling Stone, 27 July 2026

Definition of unstoppable

Adjective

Should the Arizona Diamondbacks beat the San Diego Padres later Wednesday evening, their once insurmountable 14-game lead over second place will drop to eight games.

— Ian Miller OutKick, FOXNews.com, 6 Aug. 2026
Ferrand-Prevot won last year with a decisive climb on the Col de la Madeleine, creating an insurmountable gap to her rivals.

— Jessica Hopkins, New York Times, 4 Aug. 2026

Definition of insurmountable

Adjective

The director has established himself as this century’s preëminent Hollywood filmmaker, the rare working artist whose catalogue is as commercially indomitable as it is critically lauded.

— Brady Brickner-Wood, New Yorker, 22 July 2026
That indomitable will was in full display during the meditative Walk for Peace that Pannakara led earlier this year with an international group of monks and his rescue dog, Aloka, who has become a mascot for the movement.

— Deepa Bharath, Fortune, 17 July 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 8 Aug. 2026.

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Synonyms of bulletproof

adjective

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