κενός, -ή, -όν,
[in LXX chiefly for ריק and cognate forms;]
empty (Ge 37:24, Jg 7:16). Metaph.,
(a) empty, vain: λόγοι, Eph 5:6; ἀπάτη, Col 2:8; κήρυγμα, πίστις, I Co 15:14;
(b) vain, fruitless: ἡ χάρις, I Co 15:10; κόπος, I Co 15:58; ἡ εἴσοδος, I Th 2:1; κενά, Ac 4:25(LXX); εἰς κενόν, in vain, to no purpose (Diod., LXX; cl. διὰ κενῆς), II Co 6:1, Ga 2:2, Phl 2:16, I Th 3:5;
(c) of persons, empty-handed: Mk 12:3, Lk 1:5320:10, 11; vain, Ja 2:20.†
SYN.: μάταιος, of the aim or effect of an action, κ. of its quality (Lft. on Cl. Rom., I Co., § 7; Tr., Syn., xlix).