Lake turnover occurs when the layers of water with noted temperature differences begin to mix together and the water and debris that has been sitting at the bottom of the lake begins to mix with the layers of water above it.
Definition of cautious. : careful about avoiding danger or risk cautious investors cautious optimism.
Warily is defined as something done cautiously or carefully. 1  When you are walking along a rocky stream very carefully and are a little afraid you are going to fall, this is an example of a time when you walk warily.