Living in water
Aquatic
Firmly state
Assert
1) Turn away 2) keep from happening
Avert
1) Hopeless 2) Cold and dreary; marked by bad weather
Bleak
1) Cheerful, carefree 2) Not caring
Blithe
Well-behaved; easy to handle
Docile
Become smaller
Dwindle
Deadly
Lethal
1) Watch closely 2) Video screen
Monitory
Hurt by cutting
Mutilate
1) Able to move quickly 2) Clever
Nimble
A difficult or dangerous situation
Plight
Heavy and slow moving
Ponderous
1) An edge 2) To come close to
Verge
Watchful; ready for danger
Vigilant