costly [costlier, costliest](expensive)
adjective
[UK: ˈkɒst.li] [US: ˈkɑːst.li]It could be very costly. = Podría ser muy costoso. expensive(having a high price or cost)
adjective
[UK: ɪk.ˈspen.sɪv] [US: ɪk.ˈspen.sɪv]It is too expensive. = Es muy costoso. | 