INDEFENSIBLE n.
Not defensible; not capable of being defended, maintained, vindicated, or justified; unjustifiable; untenable; as, an indefensible fortress, position, cause, etc. Men find that something can be said in favor of what, on the very proposal, they thought utterly indefensible. Burke.
INDEFINITE a. 4 definitions
Not definite; not limited, defined, or specified; not explicit; not determined or fixed upon; not precise; uncertain; vague; confused; obscure; as, an indefinite time, plan, etc. It were to be wished that . . . men would leave off that indefinite way of vouching, "the chymists say this," or "the chymists affirm that."…
INDELIBLE a. 2 definitions
That can not be removed, washed away, blotted out, or effaced; incapable of being canceled, lost, or forgotten; as, indelible characters; an indelible stain; an indelible impression on the memory.
INDELICACY n.
The quality of being indelicate; want of delicacy, or of a nice sense of, or regard for, purity, propriety, or refinement in manners, language, etc.; rudeness; coarseness; also, that which is offensive to refined taste or purity of mind. The indelicacy of English comedy. Blair. Your papers would be chargeable with wors…