One Word Substitution

2411. Incapable of being conceived.

Inconceivable.

2412. Incapable of being understood.

Incomprehensible.

2413. Incapable of being perceived by the senses.

Imperceptible

2414. Incapable of being pleased.

Fastidious

2415. Incapable of being put into practice .

Impracticable

2416. Incapable of being expressed.

Inexpressible.

2417. Incapable of being fixed.

Indeterminable.

2418. Incapable of being approached.

Inaccessible

2419. Incapable of being tired.

Indefatigable

2420. Incapable of being divided.

Indivisible.