1 : of or relating to the sun a solar eclipse/phenomenon 2 : produced by or using the sun’s light or heat solar energy/power a solar heating system
1 a of food : no longer good or appealing : no longer fresh stale food stale bread 1 b : not clean, clear, or pure : having an unpleasant taste or smell stale air/water a room filled with stale smoke 2 : not interesting or new : boring Read More …