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unassailable
adjective
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How to pronounce unassailable:

Definition of unassailable:

unassailable (adjective):
not able to be destroyed or overcome
immune to attack; incapable of being tampered with.
not assailable not liable to doubt, attack, or question

Synonyms for unassailable:

undeniableabsoluteindisputablesecureimpregnableirrefutablehallowedsacrosanctpositivesound
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Antonyms for unassailable:

surmountableassailablepoorbreakableweaksusceptibleattainablevulnerableshakydefenseless
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Other 5-syllable words like unassailable

Here are some other common words that have 5 syllables, like unassailable does.

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How many syllables in the word unapologetic?

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