fickle; easily changing one's mind
Just yesterday you promised to go to a film with me today, and now you change your mind at the last minute! Don't be so capricious!
Capricorn the goat (zodiac symbol) is capricious ca (CAR) + PRIC (PRICE). PRICE OF cars nowadays is becoming unpredictable with the launch of Tata's 1 lakh car. Capricorns (sun sign) are generally impulsive n unpredictable people