Encroachment
Trespass into, appropriation of
Dilation
Expanding, enlarging
Stagnant
Still, immobile, having no motion
Reticulatus
South Asian python
Profaned
Violated, polluted
Austere
Unemotional, harsh
Scalloped
Baked with milk
Fluviatile
Found in river
Mercenary
Venal, money-oriented
Dwindled
Vanished, disappeared, decreased