[in.es.ti.ma.ble] adj [ME, fr. MF, fr. L inaestimabilis, fr. in- + aestimabilis estimable] (14c) 1: incapable of being estimated or computed "storms c aused ~ damage"
2: too valuable or excellent to be measured or appreciated "has performed an ~ service for his country" -- in.es.ti.ma.bly adv