Immanent. Intrinsic, inherent, internal, indwelling; empirical; innate, subjective, congenital, ingrained, natural, implicit.
Ant. Emanant, transitive, developed, projective, exsilient, phenomenal, explicit, accidental, transcendental, transeunt.
Immaterial. Incorporeal, unbodied, unfleshly, spiritual, supersensible; unimportant, insignificant, unessential, non-essential, trivial, trifling.
Ant. Material, physical, important, corporeal, essential.
Immature. Unripe, crude, raw, green, unformed, unprepared, imperfect, rudimentary, unfinished; premature, hasty, unseasonable, untimely; undeveloped.
Ant. Ripe, complete, developed, mature, finished.
Immeasurable. Illimitable, unbounded, boundless, limitless, measureless, immense, infinite; vast, unfathomable.
Ant. Finite, limited, circumscribed, restricted, shallow, bounded.
Immediate. Proximate, close, near, next; direct, unmediated; instantaneous, instant, present; contiguous.
Ant. Distant, remote, mediate, future.