intrabuilding en · ADJ
Etymology
From intra- + building.
Meanings
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(not-comparable) Within a single building.
But those were substatutes of Ms. Hyams’s code for apartment life, which mostly celebrated and mandated intrabuilding socializing. Ms. Hyams, the doting owner of a gray poodle (“she wore it like a brooch,” said one neighbor), organized pet play dates on her floor.
2008 June 23, Susan Dominus, “Uniting Neighbors, in Fun and Sorrow”, in New York Times: