From The Collaborative International Dictionary of English v.0.48 [gcide]:
Expensive \Ex*pen"sive\, a.
1. Occasioning expense; calling for liberal outlay; costly;
dear; liberal; as, expensive dress; an expensive house or
family.
[1913 Webster]
War is expensive, and peace desirable. --Burke.
[1913 Webster]
2. Free in expending; very liberal; especially, in a bad
sense: extravagant; lavish. [R.]
[1913 Webster]
An active, expensive, indefatigable goodness.
--Sprat.
[1913 Webster]
The idle and expensive are dangerous. --Sir W.
Temple.
Syn: Costly; dear; high-priced; lavish; extravagant. --
Ex*pen"sive*ly, adv. -- Ex*pen"sive*ness, n.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
expensive
adj 1: high in price or charging high prices; "expensive
clothes"; "an expensive shop" [ant: cheap,
inexpensive]