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.
Self deception is defined as the act of lying to yourself or of making yourself believe something that isn't really true. An example of self deception is someone who convinces herself her boyfriend loves her even though he has told her several times he wants to break up.