Found 2 items, similar to inconceivably.
English → English (WordNet) Definition: inconceivably inconceivably adv : to an inconceivable degree; “inconceivably small”
English → English (gcide) Definition: Inconceivably Inconceivable \In`con*ceiv"a*ble\, a. [Pref. in- not + conceivable: cf. F. inconcevable.] Not conceivable; incapable of being conceived by the mind; not explicable by the human intellect, or by any known principles or agencies; incomprehensible; as, it is inconceivable to us how the will acts in producing muscular motion. [1913 Webster] It is inconceivable to me that a spiritual substance should represent an extended figure. --Locke. -- In`con*ceiv"a*ble*ness, n. -- In`con*ceiv"a*bly, adv. [1913 Webster] The inconceivableness of a quality existing without any subject to possess it. --A. Tucker. [1913 Webster]