India took unassailable lead when it won the second match of the three match series. Here unassailable is the word used in the sentence.
no one could ever believe the dentist was arrested because his reputation was unassailable
Brenda's claim that she was exempt from taxation because she had earned no money was unassailable.
Adjective: Not open to attack or assault, as by military force, brute strength, or logical argument; not subject to denial or dispute. Example: Shakespeare's genius gives his works an unassailable position in world literature. "No one is more dangerous than he who imagines himself pure in heart: for his purity, by definition, is unassailable." -- James Baldwin
invincible, impregnable and incontestable.
Unassailable, invulnerable, plenipotent, circumspect, dependable.
salable, saleable inhalable, unsalable, unsaleable unassailable, unavailable
invulnerable, indestructible, unconquerable, unbeatable, indomitable, unassailable; impregnable, inviolable; informal bulletproof.
I don't think "it has" is correct. I would use "which has"
Hitler felt that his position on the continent was unassailable by Britain, so he felt free to open the second front.
Impregnable has many synonyms. Some examples are invincible, unassailable, inviolable, secure, unattackable and strong. Inexpugnable is a synonym for impregnable, but it just doesn't sound like a word that anyone would ever use.
It is the first sentence of a paragraph which is the topic sentence.
It in symmetry with sentence a is what? What is a sentence with symmetry in it? This sentence with symmetry is symmetry with sentence this.