LAMENTABLE Meaning of LAMENTABLE in English [la.men.ta.ble] adj (15c) 1: that is to be regretted or lamented: deplorable 2: expressing grief: mournful -- la.men.ta.ble.ness n -- la.men.ta.bly adv Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012