pervasive

trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality

when struck off each head was replaced by two new ones n a long faint constellation in the southern hemisphere near the equator stretching between Virgo and Cancer n trouble that cannot be overcome by a single effort because of its many aspects or its persistent and pervasive quality n small tubular solitary freshwater hydrozoan polyp

in a pervasive manner

a dominating and pervasive presence

n shade within clear boundaries n an unilluminated area n something existing in perception only n a premonition of something adverse n an indication that something has been present n refuge from danger or observation n a dominating and pervasive presence n a spy employed to follow someone and report their movements n an inseparable companion v follow, usually without the person's knowledge v cast a shadow over v make appear small by comparison