PERSPI'RE, v.i. [L. per and spiro, to breathe.] 1. To evacuate the fluids of the body through the pores of the skin; as, a person perspires freely. 2. To be evacuated or excreted through the pores of the skin; as, a fluid perspires. PERSPI'RE,v.t. To emit or evacuate through the pores of the skin.
intransitive verb (perspired; perspiring) Etymology: French perspirer, from Middle French, from Latin per- through + spirare to blow, breathe — more at per-Date: circa 1682 to emit matter through the skin; specifically to secrete and emit perspiration
Perspire Per*spire", v. i. [imp. & p. p. Perspired; p. pr. & vb. n. Perspiring.] [L. perspirare to breathe through; per + spirare. See Per-, and Spirit.] 1. (Physiol.) To excrete matter through the skin; esp., to excrete fluids through the pores of the skin; to sweat. 2. To be evacuated or excreted, or to exude, through the pores of the skin; as, a fluid perspires.
(perspires, perspiring, perspired) When you perspire, a liquid comes out on the surface of your skin, because you are hot or frightened. (FORMAL) He began to perspire heavily....mopping their perspiring brows.= sweat VERB: V, V-ing