From WordNet (r) 3.0 (2006) [wn]:
spent
adj 1: depleted of energy, force, or strength; "impossible to
grow tobacco on the exhausted soil"; "the exhausted food
sources"; "exhausted oil wells" [syn: exhausted,
spent] [ant: unexhausted]
2: drained of energy or effectiveness; extremely tired;
completely exhausted; "the day's shopping left her
exhausted"; "he went to bed dog-tired"; "was fagged and
sweaty"; "the trembling of his played out limbs"; "felt
completely washed-out"; "only worn-out horses and cattle";
"you look worn out" [syn: exhausted, dog-tired, fagged,
fatigued, played out, spent, washed-out, {worn-
out(a)}, {worn out(p)}]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Spent \Spent\ (sp[e^]nt), a.
1. Exhausted; worn out; having lost energy or motive force.
[1913 Webster]
Now thou seest me
Spent, overpowered, despairing of success.
--Addison.
[1913 Webster]
Heaps of spent arrows fall and strew the ground.
--Dryden.
[1913 Webster]
2. (Zool.) Exhausted of spawn or sperm; -- said especially of
fishes.
[1913 Webster]
Spent ball, a ball shot from a firearm, which reaches an
object without having sufficient force to penetrate it.
[1913 Webster] Sper
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Spend \Spend\, v. t. [imp. & p. p. Spent; p. pr. & vb. n.
Spending.] [AS. spendan (in comp.), fr. L. expendere or
dispendere to weigh out, to expend, dispense. See Pendant,
and cf. Dispend, Expend, Spence, Spencer.]
1. To weigh or lay out; to dispose of; to part with; as, to
spend money for clothing.
[1913 Webster]
Spend thou that in the town. --Shak.
[1913 Webster]
Wherefore do ye spend money for that which is not
bread? --Isa. lv. 2.
[1913 Webster]
2. To bestow; to employ; -- often with on or upon.
[1913 Webster]
I . . . am never loath
To spend my judgment. --Herbert.
[1913 Webster]
3. To consume; to waste; to squander; to exhaust; as, to
spend an estate in gaming or other vices.
[1913 Webster]
4. To pass, as time; to suffer to pass away; as, to spend a
day idly; to spend winter abroad.
[1913 Webster]
We spend our years as a tale that is told. --Ps. xc.
9.
[1913 Webster]
5. To exhaust of force or strength; to waste; to wear away;
as, the violence of the waves was spent.
[1913 Webster]
Their bodies spent with long labor and thirst.
--Knolles.
[1913 Webster]