a. 无限的, 无边际的

[ adj ]
without limits in extent or size or quantity
<adj.all>
limitless vastness of our solar system

Illimitable \Il*lim"it*a*ble\, a. [Pref. il- not + limitable:
cf. F. illimitable.]
Incapable of being limited or bounded; immeasurable;
limitless; boundless; as, illimitable space.

The wild, the irregular, the illimitable, and the
luxuriant, have their appropriate force of beauty. --De
Quincey.

Syn: Boundless; limitless; unlimited; unbounded;
immeasurable; infinite; immense; vast. --
{Il*lim"it*a*ble*ness}, n. -- {Il*lim"it*a*bly}, adv.