#1 obscureness n. [humbleness, unimportance, lowliness] the state of being humble and unimportant. wn #2 obscureness n. [obscurity] the state of being indistinct or indefinite for lack of adequate illumination. wn #3 obscureness n. [obscurity, abstruseness, reconditeness] the quality of being unclear or abstruse and hard to understand. wn