From δέλλω dellō (an obsolete primary probably meaning to decoy; compare G1185); a trick ({bait}) that {is} (figuratively) wile: - {craft} {deceit} {guile} subtilty.
2Co 4:2But have renounced the hidden things of dishonesty, not walking in craftiness, nor handlingG1389 the word of God deceitfullyG1389; but by manifestation of the truth commending ourselves to every man's conscience in the sight of God.