#1 closeness n. [intimacy] a feeling of being intimate and belonging together; "their closeness grew as the night wore on". wn #2 closeness n. [stuffiness] the quality of being close and poorly ventilated. wn #3 closeness n. [nearness] the spatial property resulting from a relatively small distance; "the sudden closeness of the dock sent him into action". wn #4 closeness n. [meanness, minginess, niggardliness, niggardness, parsimony, parsimoniousness, tightness, tightfistedness] extreme stinginess. wn #5 closeness n. [secretiveness] characterized by a lack of openness (especially about one's actions or purposes). wn