A synonym for "expensive" is "costly." Other alternatives include "pricey" and "high-priced." Each of these terms conveys a similar meaning of something that requires a significant amount of money to purchase.
AnswerFrequent
flight
Accomplish
collect
The Ponderosa
vocal,vociferous
pink and hot pink
bleached, bloodless, chalky
annuity, apportionment, bequest
phonograph
abollish, x-out, removed
dribble, drool, froth