Dis"si*pate (dĭs"sĭ*pāt), v.
t. [imp. & p. p. Dissipated;
p. pr. & vb. n. Dissipating.] [L.
dissipatus, p. p. of dissipare; dis- + an
obsolete verb sipare, supare. to throw.]
1. To scatter completely; to disperse and cause
to disappear; -- used esp. of the dispersion of things that can never
again be collected or restored.
Dissipated those foggy mists of
I soon dissipated his fears.
The extreme tendency of civilization is to
dissipate all intellectual energy.
2. To destroy by wasteful extravagance or
lavish use; to squander.
The vast wealth . . . was in three years
dissipated. Bp. Burnet.
Syn. -- To disperse; scatter; dispel; spend; squander;
waste; consume; lavish.
Dis"si*pate, v. i. 1.
To separate into parts and disappear; to waste away; to scatter;
to disperse; to vanish; as, a fog or cloud gradually
dissipates before the rays or heat of the sun; the heat of a
2. To be extravagant, wasteful, or dissolute
in the pursuit of pleasure; to engage in dissipation.