Blue is the color of the sky and sea. It is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect.
1 Backlash (sociology), an adverse reaction to something that has gained prominence.  Backlash (pressure group), a UK group opposing the 2008 law criminalising possession of extreme pornography.
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids. A rebel is a person who stands up for what they think is right, or just their opinions, regardless of what anyone (often their authorities) think.