उदाहरण:वर्तमान मे पर्यावरण प्रदुषण एक गंभीर संकट है !
Usage:He is in grave danger of being attacked by the terrorists.
Usage:there are little pieces of stone gravel.
Usage:"I guess over the years it has been called the graveyard court," Capriati said. You decide the graveyard is really cool hangout