vi to be evacuated or excreted, or to exude, through the pores of the skin; as, a fluid perspires.
2. perspire ·vt to emit or evacuate through the pores of the skin; to sweat; to excrete through pores.
3. perspire ·vi to excrete matter through the skin; ·esp., to excrete fluids through the pores of the skin; to sweat.