Synonyms of costly

Adjective

1. dearly-won, costly, expensive (vs. cheap)

usage: entailing great loss or sacrifice; "a dearly-won victory"

2. costly, dear(predicate), high-priced, pricey, pricy, expensive (vs. cheap)

usage: having a high price; "costly jewelry"; "high-priced merchandise"; "much too dear for my pocketbook"; "a pricey restaurant"

Definition and meaning of costly (Dictionary)