Word Study
illimitable
CIDE DICTIONARY
illimitable, a. [Pref. il- not + limitable: cf. F. illimitable.].
Incapable of being limited or bounded; immeasurable; limitless; boundless; as, illimitable space. [1913 Webster]
"The wild, the irregular, the illimitable, and the luxuriant, have their appropriate force of beauty."
Syn. -- Boundless; limitless; unlimited; unbounded; immeasurable; infinite; immense; vast.
OXFORD DICTIONARY
illimitable, adj. limitless.
Derivative
illimitability n. illimitableness n. illimitably adv.
Etymology
LL illimitatus f. L limitatus (as IN-(1), L limitatus past part. of limitare LIMIT)
ROGET THESAURUS
illimitable
Infinity
N infinity, infinitude, infiniteness, perpetuity, boundlessness, infinite, immense, numberless, countless, sumless, measureless, innumerable, immeasurable, incalculable, illimitable, inexhaustible, interminable, unfathomable, unapproachable, exhaustless, indefinite, without number, without measure, without limit, without end, incomprehensible, limitless, endless, boundless, termless, untold, unnumbered, unmeasured, unbounded, unlimited, illimited, perpetual, infinitely, ad infinitum, as boundless as the sea.For further exploring for "illimitable" in Webster Dictionary Online