In-stim'ū-lāte, v. t.
v. t. [imp. & p. p. INSTIMULATED; p. pr. & vb. n. INSTIMULATING.] [Prefix in (in 1. used intensively, in 2. negatively) and stimulate; Lat. instimulare, O. Sp. instimular.] 1. To stimulate; to excite. [Obs.] 2. Not to stimulate; not to excite the vital powers of. [Obs.] Cheyne.