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Not possible; incapable of being done, of existing, etc.; unattainable in the nature of things, or by means at command; insuperably difficult under the circumstances; absurd or impracticable; not feasible. With men this is impossible; but with God all things are possible. Matt. xix. 26. Without faith it is impossible t…

Not practicable; incapable of being performed, or accomplished by the means employed, or at command; impossible; as, an impracticable undertaking.

Not to be stormed, or taken by assault; incapable of being subdued; able to resist attack; unconquerable; as, an impregnable fortress; impregnable virtue. The man's affection remains wholly unconcerned and impregnable. South. -- Im*preg"na*ble*ness, n. -- Im*preg"na*bly, adv.

tributable; referable. A prince whose political vices, at least, were imputable to mental incapacity. Prescott.

An inseparable prefix, or particle, meaning not, non-, un- as, inactive, incapable, inapt. In- regularly becomes il- before l, ir- before r, and im- before a labial.

Incapable of being assisted; helpless. [R.] Shak.

Incapable of being alienated, surrendered, or transferred to another; not alienable; as, in inalienable birthright.

Not alterable; incapable of being altered or changed; unalterable. -- In*al"ter*a*ble*ness, n. -- In*al"ter*a*bly, adv.

Incapable of being lost. [R.] Hammond. -- In`a*mis"si*ble*ness, n. [R.]

Incapable of being appeased or satisfied; unappeasable.

Not applicable; incapable of being applied; not adapted; not suitable; as, the argument is inapplicable to the case. J. S. Mill.

Not appreciable; too small to be perceived; incapable of being duly valued or estimated. Hallam.

Incapable of articulating. [R.] The poor earl, who is inarticulate with palsy. Walpole.

Not audible; incapable of being heard; silent. -- In*au"di*ble*ness, n. -- In*au"di*bly, adv.

Incapable of being circumscribed or limited. Cranmer.

Not to be coerced; incapable of being compelled or forced.

Not cognizable; incapable of being recognized, known, or distinguished. H. Spenser. The Lettish race, not a primitive stock of the Slavi, but a distinct branch, now become incognizable. Tooke.

To be incapable of combining; to disagree; to differ. [Obs.] Milton.

The quality or state of being incommunicable, or incapable of being imparted.

Not communicable; incapable of being communicated, shared, told, or imparted, to others. Health and understanding are incommunicable. Southey. Those incommunicable relations of the divine love. South. -- In`com*mu"ni*ca*ble*ness, n. -- In`com*mu"ni*ca*bly, adv.