Bible Greek and Hebrew Dictionaries combined for Word Studies
Genesis Chapter 1
eunuch 2135 # eunouchos {yoo-noo'-khos}; from eune (a bed) and 2192; a castrated person (such being employed in Oriental bed-chambers); by extension an impotent or unmarried man; by implication, a chamberlain (state-officer): -- {eunuch}.
impotent 0102 # adunatos {ad-oo'-nat-os}; from 1 (as a negative particle) and 1415; unable, i.e. weak (literally or figuratively); passively, impossible: -- could not do, impossible, {impotent}, not possible, weak.
impotent 0770 # astheneo {as-then-eh'-o}; from 772; to be feeble (in any sense): -- be diseased, {impotent} folk (man), (be) sick, (be, be made) weak.
impotent 0772 # asthenes {as-then-ace'}; from 1 (as a negative particle) and the base of 4599; strengthless (in various applications, literal, figurative and moral): -- more feeble, {impotent}, sick, without strength, weak(-er, -ness, thing).