aquatic
assert
avert
bleak
blithe
well behaved; easy to handle
docile
to continue becoming less; to grow smaller in number or amount
dwindle
causing, or capable of causing, death
lethal
monitor
to hurt or damage by cutting into, cutting off, or cutting out
mutilate
nimble
a difficult or dangerous condition or situation
plight
heavy and slow moving
ponderus
verge
watchful; ready for danger
vigilant