unassailable

[ uhn-uh-sey-luh-buhl ]

adjective

1. not open to attack or assault, as by military force or argument:

   unassailable fortifications; unassailable logic.

2. not subject to denial or dispute:

   Shakespeare's genius gives his works an unassailable position in world literature.

unassailable

/ ˌʌnəˈseɪləbəl /

adjective

1. not able to be attacked
2. undeniable or irrefutable

Derived Forms

• ˌunasˈsailableness, noun
• ˌunasˈsailably, adverb

Other Words From

• unas·saila·bili·ty unas·saila·ble·ness noun
• unas·saila·bly adverb

Word History and Origins

Origin of unassailable¹

1590–1600; un- ¹ + assailable ( def )

Example Sentences

As for Bonds and Clemens — the premier hitter and pitcher of their generation, if not of all time — both have unassailable statistical cases, but both continue to fall short of election because of their association with performance-enhancing drugs.

From Washington Post

We have built systems that don’t just widen the gap between rich and poor but make the distance unassailable.

From MIT Technology Review

Great players like Kitani recognize that building a “Thick,” or unassailable, territory with Gote is one of the surest ways of establishing an effective Sente in the future.

From Nautilus

It’s a somewhat dangerous game to assert any claim is unassailable, if only because individuals and small teams can only consider so many possibilities.

From Singularity Hub 

It adds Facebook “has held an unassailable position in the social network market for nearly a decade.”

From Search Engine Land

But its hope for a better future and its expressed faith in God and the children of God is unassailable.

From The Daily Beast

It might have been used as confirmation that a unique and cozy “special relationship” between the two nations was unassailable.

From The Daily Beast

For a long time, then, Orthodox control seemed unassailable.

From The Daily Beast

“His party credentials are unassailable,” says veteran GOP strategist Ralph Reed.

From The Daily Beast

Bibi Netanyahu called for an early vote from an apparent position of unassailable strength.

From The Daily Beast

And his friends gasped at his temerity and trembled for him, not knowing what grounds he had for counting himself unassailable.

From Project Gutenberg

They do not offer a theory as a suggestion of what might possibly be, but as a demonstration founded upon an unassailable basis.

From Project Gutenberg

But Yacanex had taken up an unassailable position in the mountains, and for some months could not be drawn into an engagement.

From Project Gutenberg

Mr. Key's admiration for McCormack we found later on rests on unassailable grounds.

From Project Gutenberg

The Vita then comes to us with a certain unassailable authority, and is besides a work of piety, of love, of vindication.

From Project Gutenberg

Related Words

• absolute
• conclusive
• indisputable
• infallible
• irrefutable
• undeniable
• unequivocal