place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
close with or as if with a tight seal; "This vacuum pack locks in the flavor!"
concerned chiefly or only with yourself and your advantage to the exclusion of others; "Selfish men were...trying to make capital for themselves out of the sacred cause of civil rights"- Maria Weston Chapman
immoderately desirous of acquiring e.g. wealth; "they are avaricious and will do anything for money"; "casting covetous eyes on his neighbor's fields"; "a grasping old miser"; "grasping commercialism"; "greedy for money and power"; "grew richer and greedier"; "prehensile employers stingy with raises for their employees"