3) Water pipe leak under floor slab - A leaking water pipe will also cause moisture to move up through a floor slab and initially mimic the sweating caused by a missing vapor barrier. But eventually the water will start to pond in an area or bubble up from small cracks.
impassive â(comparative more impassive, superlative most impassive) 1  Having, or revealing, no emotion. 2016 May 22, Phil McNulty, âCrystal Palace 1-2 Manchester Unitedâ, in BBC: It was a victory that clearly meant so much to Van Gaal as the normally impassive manager raced from his seat in the technical area to celebrate Lingard's winner. Still or motionless.
Princeton's WordNet(5.00 / 1 vote)Rate this definition: tactful(adj) having or showing a sense of what is fitting and considerate in dealing with others. she was tactful enough not to shatter his illusion; a tactful remark eased her embarrassment. tactful, kid-glove(adj) showing skill and sensitivity in dealing with people.