A tendency is a part of your character that makes you behave in an unpleasant or worrying way. He is spoiled, arrogant and has a tendency towards snobbery
a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink"
a general direction in which something tends to move; "the shoreward tendency of the current"; "the trend of the stock market
an attitude of mind especially one that favors one alternative over others; "he had an inclination to give up too easily"; "a tendency to be too strict"