English Antonyms Practice Test 6

Seethe : (of a liquid) boil or be turbulent as if boiling.
Plumb : measure (the depth of a body of water).
Cool : of or at a fairly low temperature.
Freeze : (with reference to a liquid) turn or be turned into ice or another solid as a result of extreme cold.
Chill : an unpleasant feeling of coldness in the atmosphere, one's surroundings, or the body.

Antonym of Seethe is Cool