press upon Copy link Outline 1. insto, 1 (both with dat. and absol.)2. insisto, stĭti, 3 (with dat.) • press upon, on: 1. insto, 1 (both with dat. and absol.): to p. on one's fortune, i. fortunae, Tac. Agr. 18, med.: p. on! finish the work, urge, insta, perfice, Cic. Att. 13, 32. 2. insisto, stĭti, 3 (with dat.): to p. on the work of slaughter, insistere caedibus, Tac. A. 2, 21.