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 error. Selden.
I soon dissipated his fears. Cook.
The extreme tendency of civilization is to dissipate all intellectual energy. Hazlitt.
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.