1) too high opinion of, too much pride in, oneself or one's abilities (conceit)

2) (of a price, charge or demand) much too high or great (exorbitant)

3) (of demands, prices) much too high (extortionate)

4) of a value too high to be measured (invaluable)

5) to charge too high a price; to fill or load (something) too much (overcharge)

6) to put too high a value on (a person, thing) (overrate)

7) (used in a good sense) having or showing a proper pride or dignity; having or showing a too high opinion of one's importance (proud)

8) without use, value, meaning or result; having too high an opinion of one's looks, abilities etc (vain)

9) the state of having too high an opinion of one's look, abilities etc (vanity)